11314809 has 56 divisors (see below), whose sum is σ = 19831392. Its totient is φ = 6376320.

The previous prime is 11314801. The next prime is 11314813. The reversal of 11314809 is 90841311.

It is not a de Polignac number, because 11314809 - 2³ = 11314801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11314801) 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 55 ways as a sum of consecutive naturals, for example, 136282 + ... + 136364.

It is an arithmetic number, because the mean of its divisors is an integer number (354132).

Almost surely, 2^11314809 is an apocalyptic number.

It is an amenable number.

11314809 is a deficient number, since it is larger than the sum of its proper divisors (8516583).

11314809 is an equidigital number, since it uses as much as digits as its factorization.

11314809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11314809 is about 3363.7492474916. The cubic root of 11314809 is about 224.4996883278.

The spelling of 11314809 in words is "eleven million, three hundred fourteen thousand, eight hundred nine".