11879556 has 48 divisors (see below), whose sum is σ = 30067968. Its totient is φ = 3628800.

The previous prime is 11879537. The next prime is 11879561. The reversal of 11879556 is 65597811.

It is a super-2 number, since 2×11879556² = 282247701514272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42136 + ... + 42416.

It is an arithmetic number, because the mean of its divisors is an integer number (626416).

Almost surely, 2^11879556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11879556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15033984).

11879556 is an abundant number, since it is smaller than the sum of its proper divisors (18188412).

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

11879556 is a wasteful number, since it uses less digits than its factorization.

11879556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its digits is 75600, while the sum is 42.

The square root of 11879556 is about 3446.6731785883. The cubic root of 11879556 is about 228.1743049993.

The spelling of 11879556 in words is "eleven million, eight hundred seventy-nine thousand, five hundred fifty-six".