11976720 has 80 divisors (see below), whose sum is σ = 42437760. Its totient is φ = 2737152.

The previous prime is 11976703. The next prime is 11976733. The reversal of 11976720 is 2767911.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1885 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (530472).

Almost surely, 2^11976720 is an apocalyptic number.

11976720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11976720 is an abundant number, since it is smaller than the sum of its proper divisors (30461040).

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

11976720 is a wasteful number, since it uses less digits than its factorization.

11976720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152 (or 7146 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 11976720 is about 3460.7398053018. The cubic root of 11976720 is about 228.7947029598.

The spelling of 11976720 in words is "eleven million, nine hundred seventy-six thousand, seven hundred twenty".