Who wins?
7 vs 12
7 wins 66% to 34%. 20 more put them in the same row. From Every Number from 1 to 12 Tier List. Pick a side.
RealPigeon2k on 7: wins every favourite number poll and it's on every slot machine
omar.j4153 on 12: months, hours on a clock, a dozen eggs, the most useful number
Every Number from 1 to 12 Tier List: the full ranking