11866868 has 24 divisors (see below), whose sum is σ = 23543520. Its totient is φ = 5188320.

The previous prime is 11866861. The next prime is 11866871. The reversal of 11866868 is 86866811.

It is a happy number.

11866868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11866868² = 281645112258848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11866861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018 + ... + 6993.

It is an arithmetic number, because the mean of its divisors is an integer number (980980).

Almost surely, 2^11866868 is an apocalyptic number.

It is an amenable number.

11866868 is a deficient number, since it is larger than the sum of its proper divisors (11676652).

11866868 is a wasteful number, since it uses less digits than its factorization.

11866868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12047 (or 12045 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 11866868 is about 3444.8320713788. The cubic root of 11866868 is about 228.0930419484.

The spelling of 11866868 in words is "eleven million, eight hundred sixty-six thousand, eight hundred sixty-eight".