13173925 has 6 divisors (see below), whose sum is σ = 16335698. Its totient is φ = 10539120.

The previous prime is 13173911. The next prime is 13173931. The reversal of 13173925 is 52937131.

It can be written as a sum of positive squares in 3 ways, for example, as 2617924 + 10556001 = 1618^2 + 3249^2 .

It is not a de Polignac number, because 13173925 - 2¹¹ = 13171877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263454 + ... + 263503.

Almost surely, 2^13173925 is an apocalyptic number.

It is an amenable number.

13173925 is a deficient number, since it is larger than the sum of its proper divisors (3161773).

13173925 is an equidigital number, since it uses as much as digits as its factorization.

13173925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526967 (or 526962 counting only the distinct ones).

The product of its digits is 5670, while the sum is 31.

The square root of 13173925 is about 3629.5901972537. The cubic root of 13173925 is about 236.1774316836.

The spelling of 13173925 in words is "thirteen million, one hundred seventy-three thousand, nine hundred twenty-five".