12594661 has 2 divisors, whose sum is σ = 12594662. Its totient is φ = 12594660.

The previous prime is 12594611. The next prime is 12594677. The reversal of 12594661 is 16649521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9333025 + 3261636 = 3055^2 + 1806^2 .

It is a cyclic number.

It is not a de Polignac number, because 12594661 - 2²³ = 4206053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12594611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6297330 + 6297331.

It is an arithmetic number, because the mean of its divisors is an integer number (6297331).

Almost surely, 2^12594661 is an apocalyptic number.

It is an amenable number.

12594661 is a deficient number, since it is larger than the sum of its proper divisors (1).

12594661 is an equidigital number, since it uses as much as digits as its factorization.

12594661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 12594661 is about 3548.8957437490. The cubic root of 12594661 is about 232.6638056351.

The spelling of 12594661 in words is "twelve million, five hundred ninety-four thousand, six hundred sixty-one".