11479209 has 16 divisors (see below), whose sum is σ = 17740800. Its totient is φ = 6466320.

The previous prime is 11479189. The next prime is 11479219. The reversal of 11479209 is 90297411.

11479209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11479209 - 2⁷ = 11479081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11479209.

It is not an unprimeable number, because it can be changed into a prime (11479219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359 + ... + 5340.

It is an arithmetic number, because the mean of its divisors is an integer number (1108800).

Almost surely, 2^11479209 is an apocalyptic number.

It is an amenable number.

11479209 is a deficient number, since it is larger than the sum of its proper divisors (6261591).

11479209 is an equidigital number, since it uses as much as digits as its factorization.

11479209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 11479209 is about 3388.0981390745. The cubic root of 11479209 is about 225.5817636220.

The spelling of 11479209 in words is "eleven million, four hundred seventy-nine thousand, two hundred nine".