12338279 has 12 divisors (see below), whose sum is σ = 13131432. Its totient is φ = 11584080.

The previous prime is 12338273. The next prime is 12338317. The reversal of 12338279 is 97283321.

12338279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12338279 - 2¹² = 12334183 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12338273) 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, 35384 + ... + 35730.

It is an arithmetic number, because the mean of its divisors is an integer number (1094286).

Almost surely, 2^12338279 is an apocalyptic number.

12338279 is a deficient number, since it is larger than the sum of its proper divisors (793153).

12338279 is an equidigital number, since it uses as much as digits as its factorization.

12338279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 415 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 12338279 is about 3512.5886465682. The cubic root of 12338279 is about 231.0742376162.

The spelling of 12338279 in words is "twelve million, three hundred thirty-eight thousand, two hundred seventy-nine".