13504625 has 8 divisors (see below), whose sum is σ = 16853928. Its totient is φ = 10803600.

The previous prime is 13504597. The next prime is 13504643. The reversal of 13504625 is 52640531.

It can be written as a sum of positive squares in 4 ways, for example, as 2262016 + 11242609 = 1504^2 + 3353^2 .

It is not a de Polignac number, because 13504625 - 2¹⁰ = 13503601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13504594 and 13504603.

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, 53894 + ... + 54143.

It is an arithmetic number, because the mean of its divisors is an integer number (2106741).

Almost surely, 2^13504625 is an apocalyptic number.

It is an amenable number.

13504625 is a deficient number, since it is larger than the sum of its proper divisors (3349303).

13504625 is an equidigital number, since it uses as much as digits as its factorization.

13504625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108052 (or 108042 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 13504625 is about 3674.8639430597. The cubic root of 13504625 is about 238.1373462827.

The spelling of 13504625 in words is "thirteen million, five hundred four thousand, six hundred twenty-five".