11808936 has 64 divisors (see below), whose sum is σ = 34243200. Its totient is φ = 3763584.

The previous prime is 11808919. The next prime is 11808941. The reversal of 11808936 is 63980811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11808936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3780 + ... + 6156.

It is an arithmetic number, because the mean of its divisors is an integer number (535050).

Almost surely, 2^11808936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11808936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17121600).

11808936 is an abundant number, since it is smaller than the sum of its proper divisors (22434264).

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

11808936 is a wasteful number, since it uses less digits than its factorization.

11808936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11808936 is about 3436.4132463951. The cubic root of 11808936 is about 227.7212660299.

The spelling of 11808936 in words is "eleven million, eight hundred eight thousand, nine hundred thirty-six".