General fact: 12734 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 12734 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 12734 is a boring number.
Historical date: November 11th is the day in 1918 that Józef Piłsudski assumes supreme military power in Poland - symbolic first day of Polish independence.