11872866 has 16 divisors (see below), whose sum is σ = 24071904. Its totient is φ = 3903264.

The previous prime is 11872841. The next prime is 11872877. The reversal of 11872866 is 66827811.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13116 + ... + 13991.

It is an arithmetic number, because the mean of its divisors is an integer number (1504494).

Almost surely, 2^11872866 is an apocalyptic number.

11872866 is an abundant number, since it is smaller than the sum of its proper divisors (12199038).

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

11872866 is a wasteful number, since it uses less digits than its factorization.

11872866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27185.

The product of its digits is 32256, while the sum is 39.

The square root of 11872866 is about 3445.7025408471. The cubic root of 11872866 is about 228.1314646570.

The spelling of 11872866 in words is "eleven million, eight hundred seventy-two thousand, eight hundred sixty-six".