12336816 has 20 divisors (see below), whose sum is σ = 31870232. Its totient is φ = 4112256.

The previous prime is 12336811. The next prime is 12336817. The reversal of 12336816 is 61863321.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12336811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128461 + ... + 128556.

Almost surely, 2^12336816 is an apocalyptic number.

12336816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12336816 is an abundant number, since it is smaller than the sum of its proper divisors (19533416).

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

12336816 is a wasteful number, since it uses less digits than its factorization.

12336816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257028 (or 257022 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 12336816 is about 3512.3803894225. The cubic root of 12336816 is about 231.0651041173.

The spelling of 12336816 in words is "twelve million, three hundred thirty-six thousand, eight hundred sixteen".