11666307 has 16 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 7574112.

The previous prime is 11666299. The next prime is 11666327. The reversal of 11666307 is 70366611.

It is not a de Polignac number, because 11666307 - 2³ = 11666299 is a prime.

It is a super-2 number, since 2×11666307² = 272205438036498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11666327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37848 + ... + 38154.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^11666307 is an apocalyptic number.

11666307 is a deficient number, since it is larger than the sum of its proper divisors (4300413).

11666307 is a wasteful number, since it uses less digits than its factorization.

With its successor (11666308) it forms an eRAP, since the sums of their prime factors are consecutive (602 and 603).

11666307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 11666307 is about 3415.5976051051. The cubic root of 11666307 is about 226.8007398363.

The spelling of 11666307 in words is "eleven million, six hundred sixty-six thousand, three hundred seven".