11644868 has 12 divisors (see below), whose sum is σ = 20683152. Its totient is φ = 5735400.

The previous prime is 11644859. The next prime is 11644901. The reversal of 11644868 is 86844611.

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 3 ways as a sum of consecutive naturals, for example, 21458 + ... + 21993.

It is an arithmetic number, because the mean of its divisors is an integer number (1723596).

Almost surely, 2^11644868 is an apocalyptic number.

It is an amenable number.

11644868 is a deficient number, since it is larger than the sum of its proper divisors (9038284).

11644868 is a wasteful number, since it uses less digits than its factorization.

11644868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43522 (or 43520 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 11644868 is about 3412.4577653064. The cubic root of 11644868 is about 226.6617251902.

The spelling of 11644868 in words is "eleven million, six hundred forty-four thousand, eight hundred sixty-eight".