13617725 has 24 divisors (see below), whose sum is σ = 19230912. Its totient is φ = 9468800.

The previous prime is 13617707. The next prime is 13617749. The reversal of 13617725 is 52771631.

It is not a de Polignac number, because 13617725 - 2⁸ = 13617469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13617691 and 13617700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5249 + ... + 7401.

It is an arithmetic number, because the mean of its divisors is an integer number (801288).

Almost surely, 2^13617725 is an apocalyptic number.

It is an amenable number.

13617725 is a deficient number, since it is larger than the sum of its proper divisors (5613187).

13617725 is a wasteful number, since it uses less digits than its factorization.

13617725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 2192 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 13617725 is about 3690.2201831327. The cubic root of 13617725 is about 238.8002918460.

The spelling of 13617725 in words is "thirteen million, six hundred seventeen thousand, seven hundred twenty-five".