13290857 has 8 divisors (see below), whose sum is σ = 13583136. Its totient is φ = 13001472.

The previous prime is 13290853. The next prime is 13290887. The reversal of 13290857 is 75809231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13290857 - 2² = 13290853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13290853) 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 7 ways as a sum of consecutive naturals, for example, 10313 + ... + 11529.

It is an arithmetic number, because the mean of its divisors is an integer number (1697892).

Almost surely, 2^13290857 is an apocalyptic number.

It is an amenable number.

13290857 is a deficient number, since it is larger than the sum of its proper divisors (292279).

13290857 is a wasteful number, since it uses less digits than its factorization.

13290857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 13290857 is about 3645.6627655339. The cubic root of 13290857 is about 236.8741461205.

The spelling of 13290857 in words is "thirteen million, two hundred ninety thousand, eight hundred fifty-seven".