12856336 has 20 divisors (see below), whose sum is σ = 25333200. Its totient is φ = 6318752.

The previous prime is 12856321. The next prime is 12856339. The reversal of 12856336 is 63365821.

It is not an unprimeable number, because it can be changed into a prime (12856339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5866 + ... + 7753.

It is an arithmetic number, because the mean of its divisors is an integer number (1266660).

Almost surely, 2^12856336 is an apocalyptic number.

12856336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12856336 is a deficient number, since it is larger than the sum of its proper divisors (12476864).

12856336 is a wasteful number, since it uses less digits than its factorization.

12856336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13686 (or 13680 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 12856336 is about 3585.5733153849. The cubic root of 12856336 is about 234.2640990228.

The spelling of 12856336 in words is "twelve million, eight hundred fifty-six thousand, three hundred thirty-six".