11989584 has 60 divisors (see below), whose sum is σ = 33852000. Its totient is φ = 3961152.

The previous prime is 11989553. The next prime is 11989597. The reversal of 11989584 is 48598911.

11989584 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19717 + ... + 20315.

It is an arithmetic number, because the mean of its divisors is an integer number (564200).

Almost surely, 2^11989584 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 11989584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16926000).

11989584 is an abundant number, since it is smaller than the sum of its proper divisors (21862416).

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

11989584 is a wasteful number, since it uses less digits than its factorization.

11989584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 743 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 11989584 is about 3462.5978686530. The cubic root of 11989584 is about 228.8765885382.

The spelling of 11989584 in words is "eleven million, nine hundred eighty-nine thousand, five hundred eighty-four".