13806560 has 24 divisors (see below), whose sum is σ = 32618376. Its totient is φ = 5522560.

The previous prime is 13806547. The next prime is 13806571. The reversal of 13806560 is 6560831.

13806560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 42986 + ... + 43305.

It is an arithmetic number, because the mean of its divisors is an integer number (1359099).

Almost surely, 2^13806560 is an apocalyptic number.

13806560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13806560 is an abundant number, since it is smaller than the sum of its proper divisors (18811816).

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

13806560 is an equidigital number, since it uses as much as digits as its factorization.

13806560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86306 (or 86298 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 13806560 is about 3715.7179656158. The cubic root of 13806560 is about 239.8990316025.

The spelling of 13806560 in words is "thirteen million, eight hundred six thousand, five hundred sixty".