12418816 has 36 divisors (see below), whose sum is σ = 25039000. Its totient is φ = 6147072.

The previous prime is 12418811. The next prime is 12418829. The reversal of 12418816 is 61881421.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12418811) 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, 35410 + ... + 35758.

Almost surely, 2^12418816 is an apocalyptic number.

12418816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12418816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12519500).

12418816 is an abundant number, since it is smaller than the sum of its proper divisors (12620184).

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

12418816 is an equidigital number, since it uses as much as digits as its factorization.

12418816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 490 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 12418816 is about 3524.0340520489. The cubic root of 12418816 is about 231.5759196936.

The spelling of 12418816 in words is "twelve million, four hundred eighteen thousand, eight hundred sixteen".