12706171 has 2 divisors, whose sum is σ = 12706172. Its totient is φ = 12706170.

The previous prime is 12706159. The next prime is 12706217. The reversal of 12706171 is 17160721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12706171 - 2⁵ = 12706139 is a prime.

It is a super-2 number, since 2×12706171² = 322893562962482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12706151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6353085 + 6353086.

It is an arithmetic number, because the mean of its divisors is an integer number (6353086).

Almost surely, 2^12706171 is an apocalyptic number.

12706171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12706171 is an equidigital number, since it uses as much as digits as its factorization.

12706171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 12706171 is about 3564.5716432694. The cubic root of 12706171 is about 233.3484382512.

Adding to 12706171 its reverse (17160721), we get a palindrome (29866892).

The spelling of 12706171 in words is "twelve million, seven hundred six thousand, one hundred seventy-one".