11204239 has 4 divisors (see below), whose sum is σ = 11237824. Its totient is φ = 11170656.

The previous prime is 11204231. The next prime is 11204257. The reversal of 11204239 is 93240211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93240211 = 43 ⋅2168377.

It is a cyclic number.

It is not a de Polignac number, because 11204239 - 2³ = 11204231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16287 + ... + 16960.

It is an arithmetic number, because the mean of its divisors is an integer number (2809456).

Almost surely, 2^11204239 is an apocalyptic number.

11204239 is a deficient number, since it is larger than the sum of its proper divisors (33585).

11204239 is an equidigital number, since it uses as much as digits as its factorization.

11204239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33584.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 11204239 is about 3347.2733679818. The cubic root of 11204239 is about 223.7660117751.

The spelling of 11204239 in words is "eleven million, two hundred four thousand, two hundred thirty-nine".