12343856 has 40 divisors (see below), whose sum is σ = 27498240. Its totient is φ = 5258304.

The previous prime is 12343817. The next prime is 12343861. The reversal of 12343856 is 65834321.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34205 + ... + 34563.

It is an arithmetic number, because the mean of its divisors is an integer number (687456).

Almost surely, 2^12343856 is an apocalyptic number.

12343856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12343856 is an abundant number, since it is smaller than the sum of its proper divisors (15154384).

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

12343856 is a wasteful number, since it uses less digits than its factorization.

12343856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 675 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 12343856 is about 3513.3824158494. The cubic root of 12343856 is about 231.1090481681.

The spelling of 12343856 in words is "twelve million, three hundred forty-three thousand, eight hundred fifty-six".