13995291 has 16 divisors (see below), whose sum is σ = 19586048. Its totient is φ = 8877600.

The previous prime is 13995283. The next prime is 13995299. The reversal of 13995291 is 19259931.

It is an interprime number because it is at equal distance from previous prime (13995283) and next prime (13995299).

It is not a de Polignac number, because 13995291 - 2³ = 13995283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13995299) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4440 + ... + 6906.

It is an arithmetic number, because the mean of its divisors is an integer number (1224128).

Almost surely, 2^13995291 is an apocalyptic number.

13995291 is a deficient number, since it is larger than the sum of its proper divisors (5590757).

13995291 is a wasteful number, since it uses less digits than its factorization.

13995291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562.

The product of its digits is 21870, while the sum is 39.

The square root of 13995291 is about 3741.0280672564. The cubic root of 13995291 is about 240.9872011017.

The spelling of 13995291 in words is "thirteen million, nine hundred ninety-five thousand, two hundred ninety-one".