General fact: 12684 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 12684 is an unremarkable number.
Trivia: 12684 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: September 22nd is the day in 1979 that the Vela Incident (also known as the South Atlantic Flash) is observed near Bouvet Island, thought to be a nuclear weapons test.