15231696 has 20 divisors (see below), whose sum is σ = 39348672. Its totient is φ = 5077216.

The previous prime is 15231691. The next prime is 15231707. The reversal of 15231696 is 69613251.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15231691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158616 + ... + 158711.

Almost surely, 2^15231696 is an apocalyptic number.

15231696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15231696 is an abundant number, since it is smaller than the sum of its proper divisors (24116976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15231696 is a wasteful number, since it uses less digits than its factorization.

15231696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317338 (or 317332 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 15231696 is about 3902.7805472509. The cubic root of 15231696 is about 247.8845282760.

The spelling of 15231696 in words is "fifteen million, two hundred thirty-one thousand, six hundred ninety-six".