13657025 has 24 divisors (see below), whose sum is σ = 17677440. Its totient is φ = 10458560.

The previous prime is 13657003. The next prime is 13657031. The reversal of 13657025 is 52075631.

It is not a de Polignac number, because 13657025 - 2¹⁶ = 13591489 is a prime.

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, 69227 + ... + 69423.

It is an arithmetic number, because the mean of its divisors is an integer number (736560).

Almost surely, 2^13657025 is an apocalyptic number.

It is an amenable number.

13657025 is a deficient number, since it is larger than the sum of its proper divisors (4020415).

13657025 is a wasteful number, since it uses less digits than its factorization.

13657025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 13657025 is about 3695.5412323501. The cubic root of 13657025 is about 239.0297926831.

The spelling of 13657025 in words is "thirteen million, six hundred fifty-seven thousand, twenty-five".