11979768 has 16 divisors (see below), whose sum is σ = 29949480. Its totient is φ = 3993248.

The previous prime is 11979763. The next prime is 11979787. The reversal of 11979768 is 86797911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11979763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249555 + ... + 249602.

Almost surely, 2^11979768 is an apocalyptic number.

It is an amenable number.

11979768 is an abundant number, since it is smaller than the sum of its proper divisors (17969712).

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

11979768 is a wasteful number, since it uses less digits than its factorization.

11979768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499166 (or 499162 counting only the distinct ones).

The product of its digits is 190512, while the sum is 48.

The square root of 11979768 is about 3461.1801455573. The cubic root of 11979768 is about 228.8141102518.

The spelling of 11979768 in words is "eleven million, nine hundred seventy-nine thousand, seven hundred sixty-eight".