13625636 has 24 divisors (see below), whose sum is σ = 25433856. Its totient is φ = 6364800.

The previous prime is 13625617. The next prime is 13625639. The reversal of 13625636 is 63652631.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13625639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9605 + ... + 10931.

It is an arithmetic number, because the mean of its divisors is an integer number (1059744).

Almost surely, 2^13625636 is an apocalyptic number.

It is an amenable number.

13625636 is a deficient number, since it is larger than the sum of its proper divisors (11808220).

13625636 is a wasteful number, since it uses less digits than its factorization.

13625636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1497 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 13625636 is about 3691.2919147637. The cubic root of 13625636 is about 238.8465253004.

The spelling of 13625636 in words is "thirteen million, six hundred twenty-five thousand, six hundred thirty-six".