13287715 has 8 divisors (see below), whose sum is σ = 18223200. Its totient is φ = 9111552.

The previous prime is 13287697. The next prime is 13287737. The reversal of 13287715 is 51778231.

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 13287715 - 2⁷ = 13287587 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189790 + ... + 189859.

It is an arithmetic number, because the mean of its divisors is an integer number (2277900).

Almost surely, 2^13287715 is an apocalyptic number.

13287715 is a deficient number, since it is larger than the sum of its proper divisors (4935485).

13287715 is an equidigital number, since it uses as much as digits as its factorization.

13287715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379661.

The product of its digits is 11760, while the sum is 34.

The square root of 13287715 is about 3645.2318170454. The cubic root of 13287715 is about 236.8554787207.

The spelling of 13287715 in words is "thirteen million, two hundred eighty-seven thousand, seven hundred fifteen".