12894593 has 2 divisors, whose sum is σ = 12894594. Its totient is φ = 12894592.

The previous prime is 12894533. The next prime is 12894599. The reversal of 12894593 is 39549821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8862529 + 4032064 = 2977^2 + 2008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12894593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12894593.

It is not a weakly prime, because it can be changed into another prime (12894599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447296 + 6447297.

It is an arithmetic number, because the mean of its divisors is an integer number (6447297).

Almost surely, 2^12894593 is an apocalyptic number.

It is an amenable number.

12894593 is a deficient number, since it is larger than the sum of its proper divisors (1).

12894593 is an equidigital number, since it uses as much as digits as its factorization.

12894593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 12894593 is about 3590.9042036791. The cubic root of 12894593 is about 234.4962379091.

The spelling of 12894593 in words is "twelve million, eight hundred ninety-four thousand, five hundred ninety-three".