11666974 has 16 divisors (see below), whose sum is σ = 19708416. Its totient is φ = 5131800.

The previous prime is 11666971. The next prime is 11666983. The reversal of 11666974 is 47966611.

It is a super-2 number, since 2×11666974² = 272236564633352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666971) 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, 7872 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (1231776).

Almost surely, 2^11666974 is an apocalyptic number.

11666974 is a deficient number, since it is larger than the sum of its proper divisors (8041442).

11666974 is a wasteful number, since it uses less digits than its factorization.

11666974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17151.

The product of its digits is 54432, while the sum is 40.

The square root of 11666974 is about 3415.6952440169. The cubic root of 11666974 is about 226.8050620613.

The spelling of 11666974 in words is "eleven million, six hundred sixty-six thousand, nine hundred seventy-four".