Fatto generale: 12455 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 12455 is a boring number.
Trivia: 12455 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: February 5th is the day in 1924 that the Royal Greenwich Observatory begins broadcasting the hourly time signals known as the Greenwich Time Signal or the "BBC pips".