12571417 has 2 divisors, whose sum is σ = 12571418. Its totient is φ = 12571416.

The previous prime is 12571397. The next prime is 12571421. The reversal of 12571417 is 71417521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 68121 = 3536^2 + 261^2 .

It is a cyclic number.

It is not a de Polignac number, because 12571417 - 2¹⁵ = 12538649 is a prime.

It is not a weakly prime, because it can be changed into another prime (12571457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285708 + 6285709.

It is an arithmetic number, because the mean of its divisors is an integer number (6285709).

Almost surely, 2^12571417 is an apocalyptic number.

It is an amenable number.

12571417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12571417 is an equidigital number, since it uses as much as digits as its factorization.

12571417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960, while the sum is 28.

The square root of 12571417 is about 3545.6194099198. The cubic root of 12571417 is about 232.5205870698.

Adding to 12571417 its reverse (71417521), we get a palindrome (83988938).

The spelling of 12571417 in words is "twelve million, five hundred seventy-one thousand, four hundred seventeen".