12823255 has 4 divisors (see below), whose sum is σ = 15387912. Its totient is φ = 10258600.

The previous prime is 12823247. The next prime is 12823267. The reversal of 12823255 is 55232821.

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

It is not a de Polignac number, because 12823255 - 2³ = 12823247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282321 + ... + 1282330.

It is an arithmetic number, because the mean of its divisors is an integer number (3846978).

Almost surely, 2^12823255 is an apocalyptic number.

12823255 is a deficient number, since it is larger than the sum of its proper divisors (2564657).

12823255 is an equidigital number, since it uses as much as digits as its factorization.

12823255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564656.

The product of its digits is 4800, while the sum is 28.

The square root of 12823255 is about 3580.9572742494. The cubic root of 12823255 is about 234.0629959205.

The spelling of 12823255 in words is "twelve million, eight hundred twenty-three thousand, two hundred fifty-five".