12895317 has 6 divisors (see below), whose sum is σ = 18626582. Its totient is φ = 8596872.

The previous prime is 12895307. The next prime is 12895321. The reversal of 12895317 is 71359821.

It can be written as a sum of positive squares in only one way, i.e., 12895281 + 36 = 3591^2 + 6^2 .

It is not a de Polignac number, because 12895317 - 2⁴ = 12895301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12895307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 716398 + ... + 716415.

Almost surely, 2^12895317 is an apocalyptic number.

It is an amenable number.

12895317 is a deficient number, since it is larger than the sum of its proper divisors (5731265).

12895317 is a wasteful number, since it uses less digits than its factorization.

12895317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432819 (or 1432816 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12895317 is about 3591.0050125278. The cubic root of 12895317 is about 234.5006266246.

Subtracting from 12895317 its sum of digits (36), we obtain a square (12895281 = 3591²).

The spelling of 12895317 in words is "twelve million, eight hundred ninety-five thousand, three hundred seventeen".