12844739 has 2 divisors, whose sum is σ = 12844740. Its totient is φ = 12844738.

The previous prime is 12844697. The next prime is 12844753. The reversal of 12844739 is 93744821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12844739 - 2⁸ = 12844483 is a prime.

It is not a weakly prime, because it can be changed into another prime (12844789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422369 + 6422370.

It is an arithmetic number, because the mean of its divisors is an integer number (6422370).

Almost surely, 2^12844739 is an apocalyptic number.

12844739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12844739 is an equidigital number, since it uses as much as digits as its factorization.

12844739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 12844739 is about 3583.9557753968. The cubic root of 12844739 is about 234.1936388739.

The spelling of 12844739 in words is "twelve million, eight hundred forty-four thousand, seven hundred thirty-nine".