12933856 has 24 divisors (see below), whose sum is σ = 27423144. Its totient is φ = 5969280.

The previous prime is 12933853. The next prime is 12933871. The reversal of 12933856 is 65833921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12933853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15130 + ... + 15961.

It is an arithmetic number, because the mean of its divisors is an integer number (1142631).

Almost surely, 2^12933856 is an apocalyptic number.

12933856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12933856 is an abundant number, since it is smaller than the sum of its proper divisors (14489288).

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

12933856 is a wasteful number, since it uses less digits than its factorization.

12933856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31114 (or 31106 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 12933856 is about 3596.3670557939. The cubic root of 12933856 is about 234.7340041491.

The spelling of 12933856 in words is "twelve million, nine hundred thirty-three thousand, eight hundred fifty-six".