12744617 has 2 divisors, whose sum is σ = 12744618. Its totient is φ = 12744616.

The previous prime is 12744583. The next prime is 12744619. The reversal of 12744617 is 71644721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12418576 + 326041 = 3524^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 12744617 - 2¹⁶ = 12679081 is a prime.

Together with 12744619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12744619) 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, 6372308 + 6372309.

It is an arithmetic number, because the mean of its divisors is an integer number (6372309).

Almost surely, 2^12744617 is an apocalyptic number.

It is an amenable number.

12744617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12744617 is an equidigital number, since it uses as much as digits as its factorization.

12744617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 12744617 is about 3569.9603639256. The cubic root of 12744617 is about 233.5835544753.

It can be divided in two parts, 127 and 44617, that added together give a palindrome (44744).

The spelling of 12744617 in words is "twelve million, seven hundred forty-four thousand, six hundred seventeen".