13525664 has 24 divisors (see below), whose sum is σ = 26798688. Its totient is φ = 6719680.

The previous prime is 13525661. The next prime is 13525697. The reversal of 13525664 is 46652531.

It is a Harshad number since it is a multiple of its sum of digits (32).

Its product of digits (21600) is a multiple of the sum of its prime divisors (2700).

It is a self number, because there is not a number n which added to its sum of digits gives 13525664.

It is not an unprimeable number, because it can be changed into a prime (13525661) 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, 4079 + ... + 6609.

It is an arithmetic number, because the mean of its divisors is an integer number (1116612).

Almost surely, 2^13525664 is an apocalyptic number.

It is an amenable number.

13525664 is a deficient number, since it is larger than the sum of its proper divisors (13273024).

13525664 is a wasteful number, since it uses less digits than its factorization.

13525664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708 (or 2700 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 13525664 is about 3677.7253839840. The cubic root of 13525664 is about 238.2609476928.

The spelling of 13525664 in words is "thirteen million, five hundred twenty-five thousand, six hundred sixty-four".