12426855 has 32 divisors (see below), whose sum is σ = 23923200. Its totient is φ = 5380992.

The previous prime is 12426853. The next prime is 12426889. The reversal of 12426855 is 55862421.

12426855 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12426855 - 2¹ = 12426853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1120 + ... + 5109.

It is an arithmetic number, because the mean of its divisors is an integer number (747600).

Almost surely, 2^12426855 is an apocalyptic number.

12426855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12426855 is a deficient number, since it is larger than the sum of its proper divisors (11496345).

12426855 is a wasteful number, since it uses less digits than its factorization.

12426855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6263.

The product of its digits is 19200, while the sum is 33.

The square root of 12426855 is about 3525.1744637677. The cubic root of 12426855 is about 231.6258771471.

The spelling of 12426855 in words is "twelve million, four hundred twenty-six thousand, eight hundred fifty-five".