13087957 has 8 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 12872304.

The previous prime is 13087939. The next prime is 13087967. The reversal of 13087957 is 75978031.

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 13087957 - 2¹⁹ = 12563669 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 (13087937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17844 + ... + 18562.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^13087957 is an apocalyptic number.

It is an amenable number.

13087957 is a deficient number, since it is larger than the sum of its proper divisors (217643).

13087957 is a wasteful number, since it uses less digits than its factorization.

13087957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

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

The square root of 13087957 is about 3617.7281545191. The cubic root of 13087957 is about 235.6625755824.

The spelling of 13087957 in words is "thirteen million, eighty-seven thousand, nine hundred fifty-seven".