12344239 has 4 divisors (see below), whose sum is σ = 12645360. Its totient is φ = 12043120.

The previous prime is 12344237. The next prime is 12344251. The reversal of 12344239 is 93244321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93244321 = 89 ⋅1047689.

It is a cyclic number.

It is not a de Polignac number, because 12344239 - 2¹ = 12344237 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 (12344237) 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, 150499 + ... + 150580.

It is an arithmetic number, because the mean of its divisors is an integer number (3161340).

Almost surely, 2^12344239 is an apocalyptic number.

12344239 is a deficient number, since it is larger than the sum of its proper divisors (301121).

12344239 is an equidigital number, since it uses as much as digits as its factorization.

12344239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301120.

The product of its digits is 5184, while the sum is 28.

The square root of 12344239 is about 3513.4369213065. The cubic root of 12344239 is about 231.1114383950. Note that the first 3 decimals are identical.

The spelling of 12344239 in words is "twelve million, three hundred forty-four thousand, two hundred thirty-nine".