12744229 has 2 divisors, whose sum is σ = 12744230. Its totient is φ = 12744228.

The previous prime is 12744223. The next prime is 12744233. The reversal of 12744229 is 92244721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12496225 + 248004 = 3535^2 + 498^2 .

It is a cyclic number.

It is not a de Polignac number, because 12744229 - 2¹³ = 12736037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12744229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12744223) 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, 6372114 + 6372115.

It is an arithmetic number, because the mean of its divisors is an integer number (6372115).

Almost surely, 2^12744229 is an apocalyptic number.

It is an amenable number.

12744229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12744229 is an equidigital number, since it uses as much as digits as its factorization.

12744229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 12744229 is about 3569.9060211720. The cubic root of 12744229 is about 233.5811840278.

The spelling of 12744229 in words is "twelve million, seven hundred forty-four thousand, two hundred twenty-nine".