12742553 has 2 divisors, whose sum is σ = 12742554. Its totient is φ = 12742552.

The previous prime is 12742511. The next prime is 12742579. The reversal of 12742553 is 35524721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 2521744 = 3197^2 + 1588^2 .

It is a cyclic number.

It is not a de Polignac number, because 12742553 - 2⁸ = 12742297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₈₃₃₅₇₃ and since 12742553 and 833573 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12742153) 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, 6371276 + 6371277.

It is an arithmetic number, because the mean of its divisors is an integer number (6371277).

Almost surely, 2^12742553 is an apocalyptic number.

It is an amenable number.

12742553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12742553 is an equidigital number, since it uses as much as digits as its factorization.

12742553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 29.

The square root of 12742553 is about 3569.6712733808. The cubic root of 12742553 is about 233.5709441190.

The spelling of 12742553 in words is "twelve million, seven hundred forty-two thousand, five hundred fifty-three".