12716571 has 8 divisors (see below), whose sum is σ = 19377664. Its totient is φ = 7266600.

The previous prime is 12716569. The next prime is 12716573. The reversal of 12716571 is 17561721.

It is an interprime number because it is at equal distance from previous prime (12716569) and next prime (12716573).

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

It is not a de Polignac number, because 12716571 - 2¹ = 12716569 is a prime.

It is a super-2 number, since 2×12716571² = 323422355996082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12716573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302755 + ... + 302796.

It is an arithmetic number, because the mean of its divisors is an integer number (2422208).

Almost surely, 2^12716571 is an apocalyptic number.

12716571 is a deficient number, since it is larger than the sum of its proper divisors (6661093).

12716571 is an equidigital number, since it uses as much as digits as its factorization.

12716571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605561.

The product of its digits is 2940, while the sum is 30.

The square root of 12716571 is about 3566.0301456942. The cubic root of 12716571 is about 233.4120861154.

The spelling of 12716571 in words is "twelve million, seven hundred sixteen thousand, five hundred seventy-one".