12914217 has 6 divisors (see below), whose sum is σ = 18653882. Its totient is φ = 8609472.

The previous prime is 12914207. The next prime is 12914267. The reversal of 12914217 is 71241921.

It can be written as a sum of positive squares in only one way, i.e., 12809241 + 104976 = 3579^2 + 324^2 .

It is not a de Polignac number, because 12914217 - 2¹⁶ = 12848681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12914207) 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, 717448 + ... + 717465.

Almost surely, 2^12914217 is an apocalyptic number.

It is an amenable number.

12914217 is a deficient number, since it is larger than the sum of its proper divisors (5739665).

12914217 is a wasteful number, since it uses less digits than its factorization.

12914217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434919 (or 1434916 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 12914217 is about 3593.6356242669. The cubic root of 12914217 is about 234.6151358510.

It can be divided in two parts, 12914 and 217, that added together give a palindrome (13131).

The spelling of 12914217 in words is "twelve million, nine hundred fourteen thousand, two hundred seventeen".