11808432 has 30 divisors (see below), whose sum is σ = 33047612. Its totient is φ = 3936096.

The previous prime is 11808389. The next prime is 11808449. The reversal of 11808432 is 23480811.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11808396 and 11808405.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 40858 + ... + 41145.

Almost surely, 2^11808432 is an apocalyptic number.

11808432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11808432 is an abundant number, since it is smaller than the sum of its proper divisors (21239180).

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

11808432 is a wasteful number, since it uses less digits than its factorization.

11808432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82017 (or 82008 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 11808432 is about 3436.3399133380. The cubic root of 11808432 is about 227.7180263039.

The spelling of 11808432 in words is "eleven million, eight hundred eight thousand, four hundred thirty-two".