11879928 has 24 divisors (see below), whose sum is σ = 32175000. Its totient is φ = 3959952.

The previous prime is 11879909. The next prime is 11879939. The reversal of 11879928 is 82997811.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×11879928² = 282265378570368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82428 + ... + 82571.

It is an arithmetic number, because the mean of its divisors is an integer number (1340625).

Almost surely, 2^11879928 is an apocalyptic number.

11879928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11879928 is an abundant number, since it is smaller than the sum of its proper divisors (20295072).

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

11879928 is a wasteful number, since it uses less digits than its factorization.

11879928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165011 (or 165004 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 11879928 is about 3446.7271432476. The cubic root of 11879928 is about 228.1766866808.

The spelling of 11879928 in words is "eleven million, eight hundred seventy-nine thousand, nine hundred twenty-eight".