11808308 has 12 divisors (see below), whose sum is σ = 20711040. Its totient is φ = 5890872.

The previous prime is 11808301. The next prime is 11808311. The reversal of 11808308 is 80380811.

It is a happy number.

It is a super-2 number, since 2×11808308² = 278872275645728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11808301) 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, 1166 + ... + 4997.

It is an arithmetic number, because the mean of its divisors is an integer number (1725920).

Almost surely, 2^11808308 is an apocalyptic number.

It is an amenable number.

11808308 is a deficient number, since it is larger than the sum of its proper divisors (8902732).

11808308 is a wasteful number, since it uses less digits than its factorization.

11808308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646 (or 6644 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 11808308 is about 3436.3218708381. The cubic root of 11808308 is about 227.7172292144.

The spelling of 11808308 in words is "eleven million, eight hundred eight thousand, three hundred eight".