12715 has 4 divisors (see below), whose sum is σ = 15264. Its totient is φ = 10168.

The previous prime is 12713. The next prime is 12721. The reversal of 12715 is 51721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12715 - 2¹ = 12713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (3816).

2¹²⁷¹⁵ is an apocalyptic number.

12715 is a deficient number, since it is larger than the sum of its proper divisors (2549).

12715 is an equidigital number, since it uses as much as digits as its factorization.

12715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548.

The product of its digits is 70, while the sum is 16.

The square root of 12715 is about 112.7608087945. The cubic root of 12715 is about 23.3402473842.

It can be divided in two parts, 12 and 715, that added together give a palindrome (727).

The spelling of 12715 in words is "twelve thousand, seven hundred fifteen".