12623856 has 40 divisors (see below), whose sum is σ = 37271424. Its totient is φ = 3606720.

The previous prime is 12623839. The next prime is 12623857. The reversal of 12623856 is 65832621.

12623856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12623857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18450 + ... + 19121.

Almost surely, 2^12623856 is an apocalyptic number.

12623856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12623856 is an abundant number, since it is smaller than the sum of its proper divisors (24647568).

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

12623856 is a wasteful number, since it uses less digits than its factorization.

12623856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37589 (or 37583 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 12623856 is about 3553.0066141227. The cubic root of 12623856 is about 232.8434420175.

The spelling of 12623856 in words is "twelve million, six hundred twenty-three thousand, eight hundred fifty-six".