12897583 has 2 divisors, whose sum is σ = 12897584. Its totient is φ = 12897582.

The previous prime is 12897569. The next prime is 12897587. The reversal of 12897583 is 38579821.

12897583 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12897583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12897587) 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, 6448791 + 6448792.

It is an arithmetic number, because the mean of its divisors is an integer number (6448792).

Almost surely, 2^12897583 is an apocalyptic number.

12897583 is a deficient number, since it is larger than the sum of its proper divisors (1).

12897583 is an equidigital number, since it uses as much as digits as its factorization.

12897583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 12897583 is about 3591.3205092278. The cubic root of 12897583 is about 234.5143615150.

The spelling of 12897583 in words is "twelve million, eight hundred ninety-seven thousand, five hundred eighty-three".