12089408 has 28 divisors (see below), whose sum is σ = 24223980. Its totient is φ = 5985792.

The previous prime is 12089381. The next prime is 12089423. The reversal of 12089408 is 80498021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6927424 + 5161984 = 2632^2 + 2272^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 6110 + ... + 7842.

Almost surely, 2^12089408 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 12089408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12111990).

12089408 is an abundant number, since it is smaller than the sum of its proper divisors (12134572).

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

12089408 is a wasteful number, since it uses less digits than its factorization.

12089408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12089408 is about 3476.9825998989. The cubic root of 12089408 is about 229.5100344798.

The spelling of 12089408 in words is "twelve million, eighty-nine thousand, four hundred eight".