12744929 has 2 divisors, whose sum is σ = 12744930. Its totient is φ = 12744928.

The previous prime is 12744871. The next prime is 12744947. The reversal of 12744929 is 92944721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 2408704 = 3215^2 + 1552^2 .

It is a cyclic number.

It is not a de Polignac number, because 12744929 - 2²⁰ = 11696353 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12744892 and 12744901.

It is not a weakly prime, because it can be changed into another prime (12744229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6372464 + 6372465.

It is an arithmetic number, because the mean of its divisors is an integer number (6372465).

Almost surely, 2^12744929 is an apocalyptic number.

It is an amenable number.

12744929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12744929 is an equidigital number, since it uses as much as digits as its factorization.

12744929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 12744929 is about 3570.0040616223. The cubic root of 12744929 is about 233.5854605735.

The spelling of 12744929 in words is "twelve million, seven hundred forty-four thousand, nine hundred twenty-nine".