12677 has 4 divisors (see below), whose sum is σ = 14496. Its totient is φ = 10860.

The previous prime is 12671. The next prime is 12689. The reversal of 12677 is 77621.

12677 = 64² + 65² + 66².

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12677 - 2⁶ = 12613 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12671) 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, 899 + ... + 912.

It is an arithmetic number, because the mean of its divisors is an integer number (3624).

2¹²⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

12677 is a deficient number, since it is larger than the sum of its proper divisors (1819).

12677 is an equidigital number, since it uses as much as digits as its factorization.

12677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818.

The product of its digits is 588, while the sum is 23.

The square root of 12677 is about 112.5921844535. The cubic root of 12677 is about 23.3169726580.

The spelling of 12677 in words is "twelve thousand, six hundred seventy-seven".