General fact: 1213 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 1213 is the number of different degree sequences for graphs with 8 vertices.
Trivia: 1213 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: April 27th is the day in 2011 that the deadliest day of the 2011 Super outbreak of tornadoes, the largest tornado outbreak, in United States history.