15128956 has 12 divisors (see below), whose sum is σ = 26975592. Its totient is φ = 7421648.

The previous prime is 15128951. The next prime is 15128969. The reversal of 15128956 is 65982151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15128951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35470 + ... + 35893.

It is an arithmetic number, because the mean of its divisors is an integer number (2247966).

Almost surely, 2^15128956 is an apocalyptic number.

It is an amenable number.

15128956 is a deficient number, since it is larger than the sum of its proper divisors (11846636).

15128956 is a wasteful number, since it uses less digits than its factorization.

15128956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71420 (or 71418 counting only the distinct ones).

The product of its digits is 21600, while the sum is 37.

The square root of 15128956 is about 3889.5958658966. The cubic root of 15128956 is about 247.3259314090.

The spelling of 15128956 in words is "fifteen million, one hundred twenty-eight thousand, nine hundred fifty-six".