Fait général: 12877 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 12877 is a boring number.
Culture générale: 12877 is an unremarkable number.
Date historique: April 3rd is the day in 1888 that the first of 11 unsolved brutal murders of women committed in or near the impoverished Whitechapel district in the East End of London, occurs.