11238239 has 2 divisors, whose sum is σ = 11238240. Its totient is φ = 11238238.

The previous prime is 11238233. The next prime is 11238257. The reversal of 11238239 is 93283211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11238239 - 2⁸ = 11237983 is a prime.

It is a super-2 number, since 2×11238239² = 252596031642242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11238233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619119 + 5619120.

It is an arithmetic number, because the mean of its divisors is an integer number (5619120).

Almost surely, 2^11238239 is an apocalyptic number.

11238239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11238239 is an equidigital number, since it uses as much as digits as its factorization.

11238239 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11238239 is about 3352.3482814290. The cubic root of 11238239 is about 223.9921274338.

The spelling of 11238239 in words is "eleven million, two hundred thirty-eight thousand, two hundred thirty-nine".