13865056 has 24 divisors (see below), whose sum is σ = 27748224. Its totient is φ = 6817920.

The previous prime is 13865051. The next prime is 13865063. The reversal of 13865056 is 65056831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13865051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (1156176).

Almost surely, 2^13865056 is an apocalyptic number.

13865056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13865056 is an abundant number, since it is smaller than the sum of its proper divisors (13883168).

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

13865056 is an equidigital number, since it uses as much as digits as its factorization.

13865056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174 (or 7166 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 13865056 is about 3723.5810720327. The cubic root of 13865056 is about 240.2373577706.

The spelling of 13865056 in words is "thirteen million, eight hundred sixty-five thousand, fifty-six".