12004408 has 32 divisors (see below), whose sum is σ = 24418800. Its totient is φ = 5532384.

The previous prime is 12004403. The next prime is 12004417. The reversal of 12004408 is 80440021.

12004408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12004408² = 288211622860928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17235 + ... + 17917.

Almost surely, 2^12004408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12004408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12209400).

12004408 is an abundant number, since it is smaller than the sum of its proper divisors (12414392).

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

12004408 is an equidigital number, since it uses as much as digits as its factorization.

12004408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 12004408 is about 3464.7377967171. The cubic root of 12004408 is about 228.9708778588.

Adding to 12004408 its reverse (80440021), we get a palindrome (92444429).

The spelling of 12004408 in words is "twelve million, four thousand, four hundred eight".