12268239 has 4 divisors (see below), whose sum is σ = 16357656. Its totient is φ = 8178824.

The previous prime is 12268231. The next prime is 12268241. The reversal of 12268239 is 93286221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12268239 - 2³ = 12268231 is a prime.

It is a super-2 number, since 2×12268239² = 301019376322242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12268231) 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, 2044704 + ... + 2044709.

It is an arithmetic number, because the mean of its divisors is an integer number (4089414).

Almost surely, 2^12268239 is an apocalyptic number.

12268239 is a deficient number, since it is larger than the sum of its proper divisors (4089417).

12268239 is an equidigital number, since it uses as much as digits as its factorization.

12268239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089416.

The product of its digits is 10368, while the sum is 33.

The square root of 12268239 is about 3502.6046022924. The cubic root of 12268239 is about 230.6361656891.

The spelling of 12268239 in words is "twelve million, two hundred sixty-eight thousand, two hundred thirty-nine".