12590561 has 2 divisors, whose sum is σ = 12590562. Its totient is φ = 12590560.

The previous prime is 12590551. The next prime is 12590569. The reversal of 12590561 is 16509521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12559936 + 30625 = 3544^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 12590561 - 2⁶ = 12590497 is a prime.

It is not a weakly prime, because it can be changed into another prime (12590569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6295280 + 6295281.

It is an arithmetic number, because the mean of its divisors is an integer number (6295281).

Almost surely, 2^12590561 is an apocalyptic number.

It is an amenable number.

12590561 is a deficient number, since it is larger than the sum of its proper divisors (1).

12590561 is an equidigital number, since it uses as much as digits as its factorization.

12590561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 12590561 is about 3548.3180522608. The cubic root of 12590561 is about 232.6385561760.

The spelling of 12590561 in words is "twelve million, five hundred ninety thousand, five hundred sixty-one".