12423856 has 20 divisors (see below), whose sum is σ = 24378400. Its totient is φ = 6132672.

The previous prime is 12423847. The next prime is 12423869. The reversal of 12423856 is 65832421.

12423856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3651 + ... + 6178.

It is an arithmetic number, because the mean of its divisors is an integer number (1218920).

Almost surely, 2^12423856 is an apocalyptic number.

12423856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12423856 is a deficient number, since it is larger than the sum of its proper divisors (11954544).

12423856 is an equidigital number, since it uses as much as digits as its factorization.

12423856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9916 (or 9910 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 12423856 is about 3524.7490690828. The cubic root of 12423856 is about 231.6072427221.

The spelling of 12423856 in words is "twelve million, four hundred twenty-three thousand, eight hundred fifty-six".