12398339 has 4 divisors (see below), whose sum is σ = 12555360. Its totient is φ = 12241320.

The previous prime is 12398333. The next prime is 12398369. The reversal of 12398339 is 93389321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93389321 = 457 ⋅204353.

It is a cyclic number.

It is not a de Polignac number, because 12398339 - 2²⁰ = 11349763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12398333) 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, 78392 + ... + 78549.

It is an arithmetic number, because the mean of its divisors is an integer number (3138840).

Almost surely, 2^12398339 is an apocalyptic number.

12398339 is a deficient number, since it is larger than the sum of its proper divisors (157021).

12398339 is an equidigital number, since it uses as much as digits as its factorization.

12398339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157020.

The product of its digits is 34992, while the sum is 38.

The square root of 12398339 is about 3521.1275182816. The cubic root of 12398339 is about 231.4485702265.

The spelling of 12398339 in words is "twelve million, three hundred ninety-eight thousand, three hundred thirty-nine".