12881255 has 4 divisors (see below), whose sum is σ = 15457512. Its totient is φ = 10305000.

The previous prime is 12881251. The next prime is 12881273. The reversal of 12881255 is 55218821.

It is a happy number.

12881255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12881255 - 2² = 12881251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12881251) 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, 1288121 + ... + 1288130.

It is an arithmetic number, because the mean of its divisors is an integer number (3864378).

Almost surely, 2^12881255 is an apocalyptic number.

12881255 is a deficient number, since it is larger than the sum of its proper divisors (2576257).

12881255 is an equidigital number, since it uses as much as digits as its factorization.

12881255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576256.

The product of its digits is 6400, while the sum is 32.

The square root of 12881255 is about 3589.0465307655. The cubic root of 12881255 is about 234.4153567247.

The spelling of 12881255 in words is "twelve million, eight hundred eighty-one thousand, two hundred fifty-five".