11666726 has 16 divisors (see below), whose sum is σ = 19128960. Its totient is φ = 5312640.

The previous prime is 11666701. The next prime is 11666737. The reversal of 11666726 is 62766611.

It is a super-2 number, since 2×11666726² = 272224991118152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4481 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (1195560).

Almost surely, 2^11666726 is an apocalyptic number.

11666726 is a deficient number, since it is larger than the sum of its proper divisors (7462234).

11666726 is a wasteful number, since it uses less digits than its factorization.

11666726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11119.

The product of its digits is 18144, while the sum is 35.

The square root of 11666726 is about 3415.6589408195. The cubic root of 11666726 is about 226.8034550163.

The spelling of 11666726 in words is "eleven million, six hundred sixty-six thousand, seven hundred twenty-six".