Age-restricted? YouTube often blocks those trailers inside other sites. Use the button to watch on YouTube — you may need to sign in and confirm your age.
Watch on YouTubeTrailer from TMDb metadata; playback via YouTube. If the player shows a restriction, use "Watch on YouTube" above.
No written reviews for this title yet in our TMDb feed. Check the reviews section below, or add yours on themoviedb.org.
Your rating
Where to stream
Region US. Update where you watch
Rent, buy & download
Opens partner listings via The Movie Database — not affiliated with WatchMind.
Perfect Number
“To him the only unsolvable equation was love.”
66%
Movie
2h 0m
AI Analysis
Perfect Number (2012) — AI movie analysis
WatchMind AI generated this AI analysis of Perfect Number (2012) — a movie tagged as Thriller and Mystery with cerebral and tense moods and slow-burn pacing.
Story & themes: A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband. Our models also surface themes such as identity, conflict, and relationships from synopsis and genre signals.
Watch context: Best suited for solo focused viewing. Expect slow-burn storytelling (~120 min).
Community signal: TMDb members rate Perfect Number 66% (74 votes) — solid community ratings for this movie.
AI verdict
Perfect Number suits viewers who want a cerebral and tense film — check the trailer and reviews before committing a full evening.
Algorithmic AI analysis from genres, synopsis, pacing heuristics, and TMDb community scores — not a generative chatbot. How WatchMind works.
Insights
Audience & engagement
How WatchMind visitors interact with this title — views, saves, sentiment, and taste match when you're signed in, or a device preview while browsing. Aggregates are anonymous; last 30 days.
Early data — charts fill in as more people explore this title.
TMDb audience score
66%
from 74 TMDb votes
Your taste match
Browse a few titles or complete the vibe check — we'll show your match % here.
- Your rating—
- Watch queueNot saved
WatchMind sentiment
No thumbs or dismissals yet. Rate this title to help others see likeness trends.
- Dismissals
- 0
Engagement breakdown
0 unique visitors · no audience notes yet
Views trend (14 days)
Daily title page views on WatchMind
Synopsis
A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband.
Quick facts
- Type
- Movie
- Status
- Released
- Release date
- 2012-10-18
- Runtime
- 2h 0m
- TMDB rating
- 6.6
- TMDB ID
- 138665
Watch & discovery tips
- Read TMDb member reviews in the reviews section, and audience tips from other WatchMind visitors in Audience notes.
- Use Rent, buy & download for official stores; offline viewing is usually inside their apps.
- Browse trending and top-rated movies from the main Movies page.
- Add titles to your watch queue from this page — order matters; the top pick can surface on your home page when you're logged into the same browser session.
Frequently asked questions
Where can I watch Perfect Number (2012)?
Perfect Number is available for discovery on WatchMind. You can find official links to rent, buy, or stream from licensed digital stores like Apple TV and Amazon in our "Where to Watch" section.
Is there an official trailer for Perfect Number?
Yes, you can watch the official trailer for Perfect Number directly on this page. We pull the latest video metadata from TMDb and play it via YouTube integration.
What is Perfect Number about?
A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband.
Is there an AI analysis for Perfect Number?
Yes. WatchMind publishes an AI analysis on this page — tone, pacing, audience fit, and community scores from TMDb metadata and recommendation models (not a chatbot). Scroll to the AI Analysis section or read the meta description summary.
How long is the movie Perfect Number?
The official runtime for Perfect Number is approximately 120 minutes.
Cast & crew
Names and photos from The Movie Database (TMDb). Follow links on themoviedb.org for full filmographies.
Directors & writers
Cast

Ryoo Seung-bum
Suk-go

Lee Yo-won
Hwa-sun

Cho Jin-woong
Detective Min-bum

Kim Yoon-sung
Sang-joon

Kim Bo-ra
Yoon-ah

Lee Seok-jun
Nam Tae-woo

Lim Sung-min
Jung-sook

Kwak Min-ho
Chul-min

Kwon Hae-hyo
Team Leader

Nam Moon-chul
Director
- K
Kim Ah-ron
Girl

Kim Joo-ryoung
Madame

Park Hyoung-soo
Investigator 1

Nam Yeon-woo
Investigator 2

Lee Kyoo-hyung
Suk-go (Teen)

Dong Bang-woo
Innkeeper

Song Young-chang
Lie detector investigator

Choi Young-woo
Forensic team member #1
Audience notes
Quick tips, watch-order ideas, and “worth it?” takes from other WatchMind visitors — not from TMDb. Reply to continue a thread, tap Helpful to surface useful notes, and keep things kind — no spoilers in the first line when you can help it.
Discussion0 notes
No notes yet — be the first to leave a suggestion for the next viewer.
Community reviews
Written by TMDb members — same catalogue as our movie & TV metadata. API terms
No written reviews are available for this title in TMDb yet. Check back later or open the title on themoviedb.org.
More to explore
Hand-picked from TMDb similar and recommended lists for Perfect Number. Each link opens a full WatchMind page with synopsis, trailer, community reviews, and official store links—so you can compare tone and audience overlap before you pick what to watch next.













