13688825 has 24 divisors (see below), whose sum is σ = 18570240. Its totient is φ = 9964800.

The previous prime is 13688819. The next prime is 13688863. The reversal of 13688825 is 52888631.

It is not a de Polignac number, because 13688825 - 2⁴ = 13688809 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12656 + ... + 13694.

It is an arithmetic number, because the mean of its divisors is an integer number (773760).

Almost surely, 2^13688825 is an apocalyptic number.

It is an amenable number.

13688825 is a deficient number, since it is larger than the sum of its proper divisors (4881415).

13688825 is a wasteful number, since it uses less digits than its factorization.

13688825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1092 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 13688825 is about 3699.8412128090. The cubic root of 13688825 is about 239.2151735974.

The spelling of 13688825 in words is "thirteen million, six hundred eighty-eight thousand, eight hundred twenty-five".