11808812 has 12 divisors (see below), whose sum is σ = 21881160. Its totient is φ = 5557056.

The previous prime is 11808793. The next prime is 11808833. The reversal of 11808812 is 21880811.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86762 + ... + 86897.

It is an arithmetic number, because the mean of its divisors is an integer number (1823430).

Almost surely, 2^11808812 is an apocalyptic number.

It is an amenable number.

11808812 is a deficient number, since it is larger than the sum of its proper divisors (10072348).

11808812 is a wasteful number, since it uses less digits than its factorization.

11808812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173680 (or 173678 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 29.

The square root of 11808812 is about 3436.3952042802. The cubic root of 11808812 is about 227.7204689630.

The spelling of 11808812 in words is "eleven million, eight hundred eight thousand, eight hundred twelve".