13885280 has 24 divisors (see below), whose sum is σ = 32804352. Its totient is φ = 5554048.

The previous prime is 13885279. The next prime is 13885297. The reversal of 13885280 is 8258831.

It is a self number, because there is not a number n which added to its sum of digits gives 13885280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43232 + ... + 43551.

It is an arithmetic number, because the mean of its divisors is an integer number (1366848).

Almost surely, 2^13885280 is an apocalyptic number.

13885280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13885280 is an abundant number, since it is smaller than the sum of its proper divisors (18919072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13885280 is an equidigital number, since it uses as much as digits as its factorization.

13885280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86798 (or 86790 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 13885280 is about 3726.2957477903. The cubic root of 13885280 is about 240.3541069072.

The spelling of 13885280 in words is "thirteen million, eight hundred eighty-five thousand, two hundred eighty".