12387584 has 72 divisors (see below), whose sum is σ = 27814752. Its totient is φ = 5457920.

The previous prime is 12387539. The next prime is 12387619. The reversal of 12387584 is 48578321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149207 + ... + 149289.

It is an arithmetic number, because the mean of its divisors is an integer number (386316).

Almost surely, 2^12387584 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 12387584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13907376).

12387584 is an abundant number, since it is smaller than the sum of its proper divisors (15427168).

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

12387584 is an equidigital number, since it uses as much as digits as its factorization.

12387584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 149 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 12387584 is about 3519.5999772701. The cubic root of 12387584 is about 231.3816271335.

The spelling of 12387584 in words is "twelve million, three hundred eighty-seven thousand, five hundred eighty-four".