11868784 has 20 divisors (see below), whose sum is σ = 23738560. Its totient is φ = 5742720.

The previous prime is 11868781. The next prime is 11868799. The reversal of 11868784 is 48786811.

11868784 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11868784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11469 + ... + 12460.

It is an arithmetic number, because the mean of its divisors is an integer number (1186928).

Almost surely, 2^11868784 is an apocalyptic number.

It is an amenable number.

11868784 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11868784 is a wasteful number, since it uses less digits than its factorization.

11868784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23968 (or 23962 counting only the distinct ones).

The product of its digits is 86016, while the sum is 43.

The square root of 11868784 is about 3445.1101578905. The cubic root of 11868784 is about 228.1053170983.

The spelling of 11868784 in words is "eleven million, eight hundred sixty-eight thousand, seven hundred eighty-four".