15712313 has 4 divisors (see below), whose sum is σ = 15836160. Its totient is φ = 15588468.

The previous prime is 15712303. The next prime is 15712337. The reversal of 15712313 is 31321751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15712313 - 2⁸ = 15712057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15712303) 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 3 ways as a sum of consecutive naturals, for example, 61733 + ... + 61986.

It is an arithmetic number, because the mean of its divisors is an integer number (3959040).

Almost surely, 2^15712313 is an apocalyptic number.

It is an amenable number.

15712313 is a deficient number, since it is larger than the sum of its proper divisors (123847).

15712313 is a wasteful number, since it uses less digits than its factorization.

15712313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123846.

The product of its digits is 630, while the sum is 23.

The square root of 15712313 is about 3963.8760071425. The cubic root of 15712313 is about 250.4648046244.

The spelling of 15712313 in words is "fifteen million, seven hundred twelve thousand, three hundred thirteen".