12813255 has 96 divisors (see below), whose sum is σ = 28728000. Its totient is φ = 5370624.

The previous prime is 12813253. The next prime is 12813263. The reversal of 12813255 is 55231821.

It is a happy number.

12813255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12813255 - 2¹ = 12813253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2 and base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12813253) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85921 + ... + 86069.

It is an arithmetic number, because the mean of its divisors is an integer number (299250).

Almost surely, 2^12813255 is an apocalyptic number.

12813255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12813255 is an abundant number, since it is smaller than the sum of its proper divisors (15914745).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12813255 is a wasteful number, since it uses less digits than its factorization.

12813255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 177 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 12813255 is about 3579.5607272401. The cubic root of 12813255 is about 234.0021367326.

The spelling of 12813255 in words is "twelve million, eight hundred thirteen thousand, two hundred fifty-five".