13387625 has 8 divisors (see below), whose sum is σ = 16707912. Its totient is φ = 10710000.

The previous prime is 13387603. The next prime is 13387637. The reversal of 13387625 is 52678331.

13387625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3268864 + 10118761 = 1808^2 + 3181^2 .

It is not a de Polignac number, because 13387625 - 2⁸ = 13387369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53426 + ... + 53675.

It is an arithmetic number, because the mean of its divisors is an integer number (2088489).

Almost surely, 2^13387625 is an apocalyptic number.

It is an amenable number.

13387625 is a deficient number, since it is larger than the sum of its proper divisors (3320287).

13387625 is an equidigital number, since it uses as much as digits as its factorization.

13387625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107116 (or 107106 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 13387625 is about 3658.9103569232. The cubic root of 13387625 is about 237.4476338841.

The spelling of 13387625 in words is "thirteen million, three hundred eighty-seven thousand, six hundred twenty-five".