13581925 has 12 divisors (see below), whose sum is σ = 19247776. Its totient is φ = 9313200.

The previous prime is 13581907. The next prime is 13581959. The reversal of 13581925 is 52918531.

It is not a de Polignac number, because 13581925 - 2⁹ = 13581413 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 38631 + ... + 38980.

Almost surely, 2^13581925 is an apocalyptic number.

It is an amenable number.

13581925 is a deficient number, since it is larger than the sum of its proper divisors (5665851).

13581925 is an equidigital number, since it uses as much as digits as its factorization.

13581925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77628 (or 77623 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 13581925 is about 3685.3663318590. The cubic root of 13581925 is about 238.5908453827.

The spelling of 13581925 in words is "thirteen million, five hundred eighty-one thousand, nine hundred twenty-five".