11642766 has 16 divisors (see below), whose sum is σ = 23827584. Its totient is φ = 3790584.

The previous prime is 11642759. The next prime is 11642789. The reversal of 11642766 is 66724611.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22306 + ... + 22821.

It is an arithmetic number, because the mean of its divisors is an integer number (1489224).

Almost surely, 2^11642766 is an apocalyptic number.

11642766 is an abundant number, since it is smaller than the sum of its proper divisors (12184818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11642766 is a wasteful number, since it uses less digits than its factorization.

11642766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45175.

The product of its digits is 12096, while the sum is 33.

The square root of 11642766 is about 3412.1497622467. The cubic root of 11642766 is about 226.6480862317.

The spelling of 11642766 in words is "eleven million, six hundred forty-two thousand, seven hundred sixty-six".