11979516 has 24 divisors (see below), whose sum is σ = 28854784. Its totient is φ = 3864240.

The previous prime is 11979511. The next prime is 11979553. The reversal of 11979516 is 61597911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11979511) 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, 15730 + ... + 16473.

Almost surely, 2^11979516 is an apocalyptic number.

It is an amenable number.

11979516 is an abundant number, since it is smaller than the sum of its proper divisors (16875268).

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

11979516 is a wasteful number, since it uses less digits than its factorization.

11979516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32241 (or 32239 counting only the distinct ones).

The product of its digits is 17010, while the sum is 39.

The square root of 11979516 is about 3461.1437415976. The cubic root of 11979516 is about 228.8125058367.

The spelling of 11979516 in words is "eleven million, nine hundred seventy-nine thousand, five hundred sixteen".