11332809 has 12 divisors (see below), whose sum is σ = 16489200. Its totient is φ = 7500024.

The previous prime is 11332799. The next prime is 11332817. The reversal of 11332809 is 90823311.

It is not a de Polignac number, because 11332809 - 2⁴ = 11332793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11332879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3279 + ... + 5780.

It is an arithmetic number, because the mean of its divisors is an integer number (1374100).

Almost surely, 2^11332809 is an apocalyptic number.

It is an amenable number.

11332809 is a deficient number, since it is larger than the sum of its proper divisors (5156391).

11332809 is a wasteful number, since it uses less digits than its factorization.

11332809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204 (or 9201 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11332809 is about 3366.4237701157. The cubic root of 11332809 is about 224.6186726144.

The spelling of 11332809 in words is "eleven million, three hundred thirty-two thousand, eight hundred nine".