11976957 has 8 divisors (see below), whose sum is σ = 17743680. Its totient is φ = 7984620.

The previous prime is 11976949. The next prime is 11977003. The reversal of 11976957 is 75967911.

It is not a de Polignac number, because 11976957 - 2³ = 11976949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11976907) 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, 221769 + ... + 221822.

It is an arithmetic number, because the mean of its divisors is an integer number (2217960).

Almost surely, 2^11976957 is an apocalyptic number.

It is an amenable number.

11976957 is a deficient number, since it is larger than the sum of its proper divisors (5766723).

11976957 is an equidigital number, since it uses as much as digits as its factorization.

11976957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443600 (or 443594 counting only the distinct ones).

The product of its digits is 119070, while the sum is 45.

The square root of 11976957 is about 3460.7740463659. The cubic root of 11976957 is about 228.7962121094.

The spelling of 11976957 in words is "eleven million, nine hundred seventy-six thousand, nine hundred fifty-seven".