13087717 has 8 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 12871584.

The previous prime is 13087709. The next prime is 13087721. The reversal of 13087717 is 71778031.

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 13087717 - 2³ = 13087709 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 (13087727) 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, 27084 + ... + 27562.

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

Almost surely, 2^13087717 is an apocalyptic number.

It is an amenable number.

13087717 is a deficient number, since it is larger than the sum of its proper divisors (217883).

13087717 is an equidigital number, since it uses as much as digits as its factorization.

13087717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 13087717 is about 3617.6949843789. The cubic root of 13087717 is about 235.6611350886.

It can be divided in two parts, 1308 and 7717, that added together give a square (9025 = 95²).

The spelling of 13087717 in words is "thirteen million, eighty-seven thousand, seven hundred seventeen".