12975227 has 2 divisors, whose sum is σ = 12975228. Its totient is φ = 12975226.

The previous prime is 12975217. The next prime is 12975241. The reversal of 12975227 is 72257921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12975227 - 2⁴ = 12975211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12975217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6487613 + 6487614.

It is an arithmetic number, because the mean of its divisors is an integer number (6487614).

Almost surely, 2^12975227 is an apocalyptic number.

12975227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12975227 is an equidigital number, since it uses as much as digits as its factorization.

12975227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 35.

The square root of 12975227 is about 3602.1142402761. The cubic root of 12975227 is about 234.9840158134.

The spelling of 12975227 in words is "twelve million, nine hundred seventy-five thousand, two hundred twenty-seven".