12844553 has 2 divisors, whose sum is σ = 12844554. Its totient is φ = 12844552.

The previous prime is 12844549. The next prime is 12844567. The reversal of 12844553 is 35544821.

12844553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 824464 = 3467^2 + 908^2 .

It is a cyclic number.

It is not a de Polignac number, because 12844553 - 2² = 12844549 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12844253) 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, 6422276 + 6422277.

It is an arithmetic number, because the mean of its divisors is an integer number (6422277).

Almost surely, 2^12844553 is an apocalyptic number.

It is an amenable number.

12844553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12844553 is an equidigital number, since it uses as much as digits as its factorization.

12844553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 32.

The square root of 12844553 is about 3583.9298263219. The cubic root of 12844553 is about 234.1925084441.

The spelling of 12844553 in words is "twelve million, eight hundred forty-four thousand, five hundred fifty-three".