12955 has 4 divisors (see below), whose sum is σ = 15552. Its totient is φ = 10360.

The previous prime is 12953. The next prime is 12959. The reversal of 12955 is 55921.

12955 is nontrivially palindromic in base 7.

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

It is not a de Polignac number, because 12955 - 2¹ = 12953 is a prime.

It is a super-5 number, since 5×12955⁵ (a number of 22 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

12955 is an undulating number in base 7.

It is not an unprimeable number, because it can be changed into a prime (12953) 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, 1291 + ... + 1300.

It is an arithmetic number, because the mean of its divisors is an integer number (3888).

12955 is a Friedman number, since it can be written as 2591*5, using all its digits and the basic arithmetic operations.

2¹²⁹⁵⁵ is an apocalyptic number.

12955 is a deficient number, since it is larger than the sum of its proper divisors (2597).

12955 is an equidigital number, since it uses as much as digits as its factorization.

12955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596.

The product of its digits is 450, while the sum is 22.

The square root of 12955 is about 113.8200333860. The cubic root of 12955 is about 23.4861847273.

The spelling of 12955 in words is "twelve thousand, nine hundred fifty-five".