13097725 has 24 divisors (see below), whose sum is σ = 16927488. Its totient is φ = 10046400.

The previous prime is 13097719. The next prime is 13097729. The reversal of 13097725 is 52779031.

It is not a de Polignac number, because 13097725 - 2⁷ = 13097597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13097729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83347 + ... + 83503.

It is an arithmetic number, because the mean of its divisors is an integer number (705312).

Almost surely, 2^13097725 is an apocalyptic number.

It is an amenable number.

13097725 is a deficient number, since it is larger than the sum of its proper divisors (3829763).

13097725 is a wasteful number, since it uses less digits than its factorization.

13097725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 13097725 is about 3619.0779212391. The cubic root of 13097725 is about 235.7211887436.

The spelling of 13097725 in words is "thirteen million, ninety-seven thousand, seven hundred twenty-five".