13117625 has 16 divisors (see below), whose sum is σ = 17336592. Its totient is φ = 9875200.

The previous prime is 13117579. The next prime is 13117661. The reversal of 13117625 is 52671131.

It can be written as a sum of positive squares in 8 ways, for example, as 6822544 + 6295081 = 2612^2 + 2509^2 .

It is not a de Polignac number, because 13117625 - 2⁶ = 13117561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13117594 and 13117603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962 + ... + 5211.

It is an arithmetic number, because the mean of its divisors is an integer number (1083537).

Almost surely, 2^13117625 is an apocalyptic number.

It is an amenable number.

13117625 is a deficient number, since it is larger than the sum of its proper divisors (4218967).

13117625 is an equidigital number, since it uses as much as digits as its factorization.

13117625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205 (or 6195 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 13117625 is about 3621.8261968239. The cubic root of 13117625 is about 235.8405091594.

Adding to 13117625 its reverse (52671131), we get a palindrome (65788756).

The spelling of 13117625 in words is "thirteen million, one hundred seventeen thousand, six hundred twenty-five".