13807975 has 12 divisors (see below), whose sum is σ = 17169040. Its totient is φ = 11016000.

The previous prime is 13807967. The next prime is 13807991. The reversal of 13807975 is 57970831.

It is not a de Polignac number, because 13807975 - 2³ = 13807967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14566 + ... + 15484.

Almost surely, 2^13807975 is an apocalyptic number.

13807975 is a deficient number, since it is larger than the sum of its proper divisors (3361065).

13807975 is an equidigital number, since it uses as much as digits as its factorization.

13807975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 13807975 is about 3715.9083680844. The cubic root of 13807975 is about 239.9072268742.

The spelling of 13807975 in words is "thirteen million, eight hundred seven thousand, nine hundred seventy-five".