12577291 has 2 divisors, whose sum is σ = 12577292. Its totient is φ = 12577290.

The previous prime is 12577277. The next prime is 12577303. The reversal of 12577291 is 19277521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12577291 - 2⁹ = 12576779 is a prime.

It is not a weakly prime, because it can be changed into another prime (12577211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288645 + 6288646.

It is an arithmetic number, because the mean of its divisors is an integer number (6288646).

Almost surely, 2^12577291 is an apocalyptic number.

12577291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12577291 is an equidigital number, since it uses as much as digits as its factorization.

12577291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 34.

The square root of 12577291 is about 3546.4476592782. The cubic root of 12577291 is about 232.5567965455.

The spelling of 12577291 in words is "twelve million, five hundred seventy-seven thousand, two hundred ninety-one".