11979528 has 32 divisors (see below), whose sum is σ = 32672160. Its totient is φ = 3630080.

The previous prime is 11979511. The next prime is 11979553. The reversal of 11979528 is 82597911.

It is a super-2 number, since 2×11979528² = 287018182205568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11979528.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22425 + ... + 22952.

It is an arithmetic number, because the mean of its divisors is an integer number (1021005).

Almost surely, 2^11979528 is an apocalyptic number.

It is an amenable number.

11979528 is an abundant number, since it is smaller than the sum of its proper divisors (20692632).

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

11979528 is a wasteful number, since it uses less digits than its factorization.

11979528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45397 (or 45393 counting only the distinct ones).

The product of its digits is 45360, while the sum is 42.

The square root of 11979528 is about 3461.1454751281. The cubic root of 11979528 is about 228.8125822380.

The spelling of 11979528 in words is "eleven million, nine hundred seventy-nine thousand, five hundred twenty-eight".