General fact: 12962 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 12962 is an uninteresting number.
Trivia: 12962 is an unremarkable number.
Historical date: June 27th is the day in 2007 that the Brazilian Military Police invades the favelas of Complexo do Alemão in an episode which is remembered as the Complexo do Alemão massacre.