13806688 has 24 divisors (see below), whose sum is σ = 31065552. Its totient is φ = 5917056.

The previous prime is 13806671. The next prime is 13806691. The reversal of 13806688 is 88660831.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13806688.

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, 30595 + ... + 31042.

It is an arithmetic number, because the mean of its divisors is an integer number (1294398).

Almost surely, 2^13806688 is an apocalyptic number.

It is an amenable number.

13806688 is an abundant number, since it is smaller than the sum of its proper divisors (17258864).

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

13806688 is an equidigital number, since it uses as much as digits as its factorization.

13806688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61654 (or 61646 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 13806688 is about 3715.7351897034. The cubic root of 13806688 is about 239.8997729646.

The spelling of 13806688 in words is "thirteen million, eight hundred six thousand, six hundred eighty-eight".