13975725 has 12 divisors (see below), whose sum is σ = 23106656. Its totient is φ = 7453680.

The previous prime is 13975721. The next prime is 13975733. The reversal of 13975725 is 52757931.

It is not a de Polignac number, because 13975725 - 2² = 13975721 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 (13975721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93097 + ... + 93246.

Almost surely, 2^13975725 is an apocalyptic number.

13975725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13975725 is a deficient number, since it is larger than the sum of its proper divisors (9130931).

13975725 is a wasteful number, since it uses less digits than its factorization.

13975725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186356 (or 186351 counting only the distinct ones).

The product of its digits is 66150, while the sum is 39.

The square root of 13975725 is about 3738.4120960643. The cubic root of 13975725 is about 240.8748453431.

The spelling of 13975725 in words is "thirteen million, nine hundred seventy-five thousand, seven hundred twenty-five".