13629625 has 8 divisors (see below), whose sum is σ = 17009928. Its totient is φ = 10903600.

The previous prime is 13629619. The next prime is 13629659. The reversal of 13629625 is 52692631.

It can be written as a sum of positive squares in 4 ways, for example, as 3286969 + 10342656 = 1813^2 + 3216^2 .

It is not a de Polignac number, because 13629625 - 2¹⁵ = 13596857 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, 54394 + ... + 54643.

It is an arithmetic number, because the mean of its divisors is an integer number (2126241).

Almost surely, 2^13629625 is an apocalyptic number.

It is an amenable number.

13629625 is a deficient number, since it is larger than the sum of its proper divisors (3380303).

13629625 is an equidigital number, since it uses as much as digits as its factorization.

13629625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109052 (or 109042 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 13629625 is about 3691.8322009539. The cubic root of 13629625 is about 238.8698310218.

The spelling of 13629625 in words is "thirteen million, six hundred twenty-nine thousand, six hundred twenty-five".