15214656 has 56 divisors (see below), whose sum is σ = 40680640. Its totient is φ = 5018112.

The previous prime is 15214631. The next prime is 15214663. The reversal of 15214656 is 65641251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20565 + ... + 21291.

It is an arithmetic number, because the mean of its divisors is an integer number (726440).

Almost surely, 2^15214656 is an apocalyptic number.

15214656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15214656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20340320).

15214656 is an abundant number, since it is smaller than the sum of its proper divisors (25465984).

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

15214656 is a wasteful number, since it uses less digits than its factorization.

15214656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 841 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 15214656 is about 3900.5968774022. The cubic root of 15214656 is about 247.7920560067.

The spelling of 15214656 in words is "fifteen million, two hundred fourteen thousand, six hundred fifty-six".