12272339 has 4 divisors (see below), whose sum is σ = 12326160. Its totient is φ = 12218520.

The previous prime is 12272327. The next prime is 12272341. The reversal of 12272339 is 93327221.

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 12272339 - 2⁸ = 12272083 is a prime.

It is a super-2 number, since 2×12272339² = 301220609061842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202339) 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 3 ways as a sum of consecutive naturals, for example, 26567 + ... + 27024.

It is an arithmetic number, because the mean of its divisors is an integer number (3081540).

Almost surely, 2^12272339 is an apocalyptic number.

12272339 is a deficient number, since it is larger than the sum of its proper divisors (53821).

12272339 is an equidigital number, since it uses as much as digits as its factorization.

12272339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53820.

The product of its digits is 4536, while the sum is 29.

The square root of 12272339 is about 3503.1898321387. The cubic root of 12272339 is about 230.6618554114.

The spelling of 12272339 in words is "twelve million, two hundred seventy-two thousand, three hundred thirty-nine".