11117239 has 8 divisors (see below), whose sum is σ = 12976128. Its totient is φ = 9326040.

The previous prime is 11117213. The next prime is 11117321. The reversal of 11117239 is 93271111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11117239 - 2⁹ = 11116727 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 (11117539) 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 7 ways as a sum of consecutive naturals, for example, 16567 + ... + 17224.

It is an arithmetic number, because the mean of its divisors is an integer number (1622016).

Almost surely, 2^11117239 is an apocalyptic number.

11117239 is a deficient number, since it is larger than the sum of its proper divisors (1858889).

11117239 is an equidigital number, since it uses as much as digits as its factorization.

11117239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33845.

The product of its digits is 378, while the sum is 25.

The square root of 11117239 is about 3334.2523899669. The cubic root of 11117239 is about 223.1853312624.

The spelling of 11117239 in words is "eleven million, one hundred seventeen thousand, two hundred thirty-nine".