12507559 has 2 divisors, whose sum is σ = 12507560. Its totient is φ = 12507558.

The previous prime is 12507541. The next prime is 12507571. The reversal of 12507559 is 95570521.

It is a strong prime.

It is an emirp because it is prime and its reverse (95570521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12507559 - 2⁵ = 12507527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12507589) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253779 + 6253780.

It is an arithmetic number, because the mean of its divisors is an integer number (6253780).

Almost surely, 2^12507559 is an apocalyptic number.

12507559 is a deficient number, since it is larger than the sum of its proper divisors (1).

12507559 is an equidigital number, since it uses as much as digits as its factorization.

12507559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 12507559 is about 3536.6027484014. The cubic root of 12507559 is about 232.1262132807.

The spelling of 12507559 in words is "twelve million, five hundred seven thousand, five hundred fifty-nine".