11977312 has 12 divisors (see below), whose sum is σ = 23580396. Its totient is φ = 5988640.

The previous prime is 11977297. The next prime is 11977321. The reversal of 11977312 is 21377911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187114 + ... + 187177.

It is an arithmetic number, because the mean of its divisors is an integer number (1965033).

Almost surely, 2^11977312 is an apocalyptic number.

It is an amenable number.

11977312 is a deficient number, since it is larger than the sum of its proper divisors (11603084).

11977312 is an equidigital number, since it uses as much as digits as its factorization.

11977312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374301 (or 374293 counting only the distinct ones).

The product of its digits is 2646, while the sum is 31.

The square root of 11977312 is about 3460.8253350899. The cubic root of 11977312 is about 228.7984726128.

The spelling of 11977312 in words is "eleven million, nine hundred seventy-seven thousand, three hundred twelve".