12744653 has 2 divisors, whose sum is σ = 12744654. Its totient is φ = 12744652.

The previous prime is 12744647. The next prime is 12744701. The reversal of 12744653 is 35644721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10903204 + 1841449 = 3302^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 12744653 - 2⁸ = 12744397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12744623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6372326 + 6372327.

It is an arithmetic number, because the mean of its divisors is an integer number (6372327).

Almost surely, 2^12744653 is an apocalyptic number.

It is an amenable number.

12744653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12744653 is an equidigital number, since it uses as much as digits as its factorization.

12744653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 12744653 is about 3569.9654059949. The cubic root of 12744653 is about 233.5837744113.

The spelling of 12744653 in words is "twelve million, seven hundred forty-four thousand, six hundred fifty-three".