It is a tau number, because it is divible by the number of its divisors (18).
It is a plaindrome in base 10.
It is a congruent number.
13788 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
213788 is an apocalyptic number.
13788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13788 is a wasteful number, since it uses less digits than its factorization.
13788 is an odious number, because the sum of its binary digits is odd.
The square root of 13788 is about 117.4223147447. The cubic root of 13788 is about 23.9791485560.
The spelling of 13788 in words is "thirteen thousand, seven hundred eighty-eight".