12572317 has 2 divisors, whose sum is σ = 12572318. Its totient is φ = 12572316.

The previous prime is 12572311. The next prime is 12572321. The reversal of 12572317 is 71327521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9400356 + 3171961 = 3066^2 + 1781^2 .

It is a cyclic number.

It is not a de Polignac number, because 12572317 - 2³ = 12572309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12572311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6286158 + 6286159.

It is an arithmetic number, because the mean of its divisors is an integer number (6286159).

Almost surely, 2^12572317 is an apocalyptic number.

It is an amenable number.

12572317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12572317 is an equidigital number, since it uses as much as digits as its factorization.

12572317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 28.

The square root of 12572317 is about 3545.7463248236. The cubic root of 12572317 is about 232.5261357292.

Adding to 12572317 its reverse (71327521), we get a palindrome (83899838).

The spelling of 12572317 in words is "twelve million, five hundred seventy-two thousand, three hundred seventeen".