12717271 has 8 divisors (see below), whose sum is σ = 14670720. Its totient is φ = 10798008.

The previous prime is 12717269. The next prime is 12717277. The reversal of 12717271 is 17271721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12717271 - 2¹ = 12717269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12717277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7741 + ... + 9238.

It is an arithmetic number, because the mean of its divisors is an integer number (1833840).

Almost surely, 2^12717271 is an apocalyptic number.

12717271 is a deficient number, since it is larger than the sum of its proper divisors (1953449).

12717271 is a wasteful number, since it uses less digits than its factorization.

12717271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17093.

The product of its digits is 1372, while the sum is 28.

The square root of 12717271 is about 3566.1282927006. The cubic root of 12717271 is about 233.4163688596.

Adding to 12717271 its reverse (17271721), we get a palindrome (29988992).

The spelling of 12717271 in words is "twelve million, seven hundred seventeen thousand, two hundred seventy-one".