15713812 has 6 divisors (see below), whose sum is σ = 27499178. Its totient is φ = 7856904.

The previous prime is 15713773. The next prime is 15713813. The reversal of 15713812 is 21831751.

It can be written as a sum of positive squares in only one way, i.e., 15256836 + 456976 = 3906^2 + 676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15713813) 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 as a sum of consecutive naturals, namely, 1964223 + ... + 1964230.

Almost surely, 2^15713812 is an apocalyptic number.

It is an amenable number.

15713812 is a deficient number, since it is larger than the sum of its proper divisors (11785366).

15713812 is a wasteful number, since it uses less digits than its factorization.

15713812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928457 (or 3928455 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 15713812 is about 3964.0650852376. The cubic root of 15713812 is about 250.4727693928.

The spelling of 15713812 in words is "fifteen million, seven hundred thirteen thousand, eight hundred twelve".