11810868 has 24 divisors (see below), whose sum is σ = 28757568. Its totient is φ = 3765696.

The previous prime is 11810857. The next prime is 11810879. The reversal of 11810868 is 86801811.

It is an interprime number because it is at equal distance from previous prime (11810857) and next prime (11810879).

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, 21121 + ... + 21672.

It is an arithmetic number, because the mean of its divisors is an integer number (1198232).

Almost surely, 2^11810868 is an apocalyptic number.

It is an amenable number.

11810868 is an abundant number, since it is smaller than the sum of its proper divisors (16946700).

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

11810868 is a wasteful number, since it uses less digits than its factorization.

11810868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42823 (or 42821 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 33.

The square root of 11810868 is about 3436.6943419513. The cubic root of 11810868 is about 227.7336841257.

The spelling of 11810868 in words is "eleven million, eight hundred ten thousand, eight hundred sixty-eight".