12839395 has 4 divisors (see below), whose sum is σ = 15407280. Its totient is φ = 10271512.

The previous prime is 12839381. The next prime is 12839401. The reversal of 12839395 is 59393821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59393821 = 2081 ⋅28541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12839395 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283935 + ... + 1283944.

It is an arithmetic number, because the mean of its divisors is an integer number (3851820).

Almost surely, 2^12839395 is an apocalyptic number.

12839395 is a deficient number, since it is larger than the sum of its proper divisors (2567885).

12839395 is an equidigital number, since it uses as much as digits as its factorization.

12839395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567884.

The product of its digits is 58320, while the sum is 40.

The square root of 12839395 is about 3583.2101529215. The cubic root of 12839395 is about 234.1611559403.

The spelling of 12839395 in words is "twelve million, eight hundred thirty-nine thousand, three hundred ninety-five".