15132772 has 24 divisors (see below), whose sum is σ = 27655992. Its totient is φ = 7238400.

The previous prime is 15132749. The next prime is 15132773. The reversal of 15132772 is 27723151.

15132772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 341056 + 14791716 = 584^2 + 3846^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 15132772.

It is not an unprimeable number, because it can be changed into a prime (15132773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7822 + ... + 9562.

It is an arithmetic number, because the mean of its divisors is an integer number (1152333).

Almost surely, 2^15132772 is an apocalyptic number.

It is an amenable number.

15132772 is a deficient number, since it is larger than the sum of its proper divisors (12523220).

15132772 is a wasteful number, since it uses less digits than its factorization.

15132772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839 (or 1837 counting only the distinct ones).

The product of its digits is 2940, while the sum is 28.

The square root of 15132772 is about 3890.0863743624. The cubic root of 15132772 is about 247.3467241285.

It can be divided in two parts, 151 and 32772, that added together give a palindrome (32923).

The spelling of 15132772 in words is "fifteen million, one hundred thirty-two thousand, seven hundred seventy-two".