11976012 has 72 divisors (see below), whose sum is σ = 32304720. Its totient is φ = 3884112.

The previous prime is 11975993. The next prime is 11976047. The reversal of 11976012 is 21067911.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323658 + ... + 323694.

Almost surely, 2^11976012 is an apocalyptic number.

11976012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11976012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16152360).

11976012 is an abundant number, since it is smaller than the sum of its proper divisors (20328708).

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

11976012 is an frugal number, since it uses more digits than its factorization.

11976012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 11976012 is about 3460.6375135226. The cubic root of 11976012 is about 228.7901944956.

Multiplying 11976012 by its sum of digits (27), we get a square (323352324 = 17982²).

11976012 divided by its sum of digits (27) gives a square (443556 = 666²).

The spelling of 11976012 in words is "eleven million, nine hundred seventy-six thousand, twelve".