12907171 has 2 divisors, whose sum is σ = 12907172. Its totient is φ = 12907170.

The previous prime is 12907159. The next prime is 12907177. The reversal of 12907171 is 17170921.

12907171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (17170921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12907171 - 2¹³ = 12898979 is a prime.

It is not a weakly prime, because it can be changed into another prime (12907177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453585 + 6453586.

It is an arithmetic number, because the mean of its divisors is an integer number (6453586).

Almost surely, 2^12907171 is an apocalyptic number.

12907171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12907171 is an equidigital number, since it uses as much as digits as its factorization.

12907171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 12907171 is about 3592.6551462672. The cubic root of 12907171 is about 234.5724593965.

The spelling of 12907171 in words is "twelve million, nine hundred seven thousand, one hundred seventy-one".