12839338 has 4 divisors (see below), whose sum is σ = 19259010. Its totient is φ = 6419668.

The previous prime is 12839293. The next prime is 12839357. The reversal of 12839338 is 83393821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7112889 + 5726449 = 2667^2 + 2393^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12839297 and 12839306.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3209833 + ... + 3209836.

Almost surely, 2^12839338 is an apocalyptic number.

12839338 is a deficient number, since it is larger than the sum of its proper divisors (6419672).

12839338 is an equidigital number, since it uses as much as digits as its factorization.

12839338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419671.

The product of its digits is 31104, while the sum is 37.

The square root of 12839338 is about 3583.2021991509. The cubic root of 12839338 is about 234.1608094233.

The spelling of 12839338 in words is "twelve million, eight hundred thirty-nine thousand, three hundred thirty-eight".