12734171 has 2 divisors, whose sum is σ = 12734172. Its totient is φ = 12734170.

The previous prime is 12734131. The next prime is 12734233. The reversal of 12734171 is 17143721.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12734171 - 2⁶ = 12734107 is a prime.

It is a super-2 number, since 2×12734171² = 324318222114482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12734171.

It is not a weakly prime, because it can be changed into another prime (12734131) 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, 6367085 + 6367086.

It is an arithmetic number, because the mean of its divisors is an integer number (6367086).

Almost surely, 2^12734171 is an apocalyptic number.

12734171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12734171 is an equidigital number, since it uses as much as digits as its factorization.

12734171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 12734171 is about 3568.4970225573. The cubic root of 12734171 is about 233.5197188769.

Adding to 12734171 its reverse (17143721), we get a palindrome (29877892).

The spelling of 12734171 in words is "twelve million, seven hundred thirty-four thousand, one hundred seventy-one".