12855423 has 16 divisors (see below), whose sum is σ = 19742976. Its totient is φ = 7288320.

The previous prime is 12855407. The next prime is 12855449. The reversal of 12855423 is 32455821.

12855423 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 12855423 - 2⁴ = 12855407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12855463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (1233936).

Almost surely, 2^12855423 is an apocalyptic number.

12855423 is a deficient number, since it is larger than the sum of its proper divisors (6887553).

12855423 is a wasteful number, since it uses less digits than its factorization.

12855423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4814.

The product of its digits is 9600, while the sum is 30.

The square root of 12855423 is about 3585.4459973621. The cubic root of 12855423 is about 234.2585534255.

The spelling of 12855423 in words is "twelve million, eight hundred fifty-five thousand, four hundred twenty-three".