11328239 has 12 divisors (see below), whose sum is σ = 12991536. Its totient is φ = 9839232.

The previous prime is 11328211. The next prime is 11328271. The reversal of 11328239 is 93282311.

It is not a de Polignac number, because 11328239 - 2²⁰ = 10279663 is a prime.

It is a super-2 number, since 2×11328239² = 256657997682242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11328439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 902 + ... + 4844.

It is an arithmetic number, because the mean of its divisors is an integer number (1082628).

Almost surely, 2^11328239 is an apocalyptic number.

11328239 is a deficient number, since it is larger than the sum of its proper divisors (1663297).

11328239 is a wasteful number, since it uses less digits than its factorization.

11328239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986 (or 3973 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 11328239 is about 3365.7449398313. The cubic root of 11328239 is about 224.5884757660.

The spelling of 11328239 in words is "eleven million, three hundred twenty-eight thousand, two hundred thirty-nine".