12897 has 6 divisors (see below), whose sum is σ = 18642. Its totient is φ = 8592.

The previous prime is 12893. The next prime is 12899. The reversal of 12897 is 79821.

It can be written as a sum of positive squares in only one way, i.e., 12321 + 576 = 111^2 + 24^2 .

It is not a de Polignac number, because 12897 - 2² = 12893 is a prime.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 12897.

It is not an unprimeable number, because it can be changed into a prime (12893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 708 + ... + 725.

It is an arithmetic number, because the mean of its divisors is an integer number (3107).

2¹²⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

12897 is a deficient number, since it is larger than the sum of its proper divisors (5745).

12897 is a wasteful number, since it uses less digits than its factorization.

12897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1436 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 12897 is about 113.5649593845. The cubic root of 12897 is about 23.4510827935.

It can be divided in two parts, 1289 and 7, that added together give a 4-th power (1296 = 6⁴).

The spelling of 12897 in words is "twelve thousand, eight hundred ninety-seven".