12008816 has 20 divisors (see below), whose sum is σ = 23358624. Its totient is φ = 5980800.

The previous prime is 12008809. The next prime is 12008827. The reversal of 12008816 is 61880021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161 + ... + 5831.

Almost surely, 2^12008816 is an apocalyptic number.

12008816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12008816 is a deficient number, since it is larger than the sum of its proper divisors (11349808).

12008816 is a wasteful number, since it uses less digits than its factorization.

12008816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 12008816 is about 3465.3738615047. The cubic root of 12008816 is about 228.9989003462.

Adding to 12008816 its reverse (61880021), we get a palindrome (73888837).

The spelling of 12008816 in words is "twelve million, eight thousand, eight hundred sixteen".