12839243 has 2 divisors, whose sum is σ = 12839244. Its totient is φ = 12839242.

The previous prime is 12839213. The next prime is 12839249. The reversal of 12839243 is 34293821.

It is a happy number.

12839243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12839243 - 2¹⁰ = 12838219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12839249) 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 as a sum of consecutive naturals, namely, 6419621 + 6419622.

It is an arithmetic number, because the mean of its divisors is an integer number (6419622).

Almost surely, 2^12839243 is an apocalyptic number.

12839243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12839243 is an equidigital number, since it uses as much as digits as its factorization.

12839243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 12839243 is about 3583.1889428273. The cubic root of 12839243 is about 234.1602318927.

The spelling of 12839243 in words is "twelve million, eight hundred thirty-nine thousand, two hundred forty-three".