12570417 has 16 divisors (see below), whose sum is σ = 19127680. Its totient is φ = 8153136.

The previous prime is 12570413. The next prime is 12570421. The reversal of 12570417 is 71407521.

It is an interprime number because it is at equal distance from previous prime (12570413) and next prime (12570421).

It is not a de Polignac number, because 12570417 - 2² = 12570413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12570413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5293 + ... + 7290.

It is an arithmetic number, because the mean of its divisors is an integer number (1195480).

Almost surely, 2^12570417 is an apocalyptic number.

It is an amenable number.

12570417 is a deficient number, since it is larger than the sum of its proper divisors (6557263).

12570417 is a wasteful number, since it uses less digits than its factorization.

12570417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12629 (or 12623 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 12570417 is about 3545.4783880317. The cubic root of 12570417 is about 232.5144215820.

Adding to 12570417 its reverse (71407521), we get a palindrome (83977938).

The spelling of 12570417 in words is "twelve million, five hundred seventy thousand, four hundred seventeen".