Hecho general: 12394 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 12394 is an uninteresting number.
Trivia: 12394 is a boring number.
Fecha histórica: December 6th is the day in 1877 that Thomas Edison, using his new phonograph, makes one of the earliest recordings of a human voice, reciting "Mary Had a Little Lamb".