11339209 has 4 divisors (see below), whose sum is σ = 12959104. Its totient is φ = 9719316.

The previous prime is 11339201. The next prime is 11339213. The reversal of 11339209 is 90293311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90293311 = 109 ⋅828379.

It is a cyclic number.

It is not a de Polignac number, because 11339209 - 2³ = 11339201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11339201) 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, 809937 + ... + 809950.

It is an arithmetic number, because the mean of its divisors is an integer number (3239776).

Almost surely, 2^11339209 is an apocalyptic number.

It is an amenable number.

11339209 is a deficient number, since it is larger than the sum of its proper divisors (1619895).

11339209 is an equidigital number, since it uses as much as digits as its factorization.

11339209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619894.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 11339209 is about 3367.3741995804. The cubic root of 11339209 is about 224.6609477755.

The spelling of 11339209 in words is "eleven million, three hundred thirty-nine thousand, two hundred nine".