11667956 has 12 divisors (see below), whose sum is σ = 20542368. Its totient is φ = 5798712.

The previous prime is 11667937. The next prime is 11667959. The reversal of 11667956 is 65976611.

It is a super-2 number, since 2×11667956² = 272282394435872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8066 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (1711864).

Almost surely, 2^11667956 is an apocalyptic number.

It is an amenable number.

11667956 is a deficient number, since it is larger than the sum of its proper divisors (8874412).

11667956 is a wasteful number, since it uses less digits than its factorization.

11667956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17638 (or 17636 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 11667956 is about 3415.8389891797. The cubic root of 11667956 is about 226.8114252171.

The spelling of 11667956 in words is "eleven million, six hundred sixty-seven thousand, nine hundred fifty-six".