12867584 has 48 divisors (see below), whose sum is σ = 26404560. Its totient is φ = 6266880.

The previous prime is 12867583. The next prime is 12867587. The reversal of 12867584 is 48576821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12867581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124877 + ... + 124979.

It is an arithmetic number, because the mean of its divisors is an integer number (550095).

Almost surely, 2^12867584 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 12867584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13202280).

12867584 is an abundant number, since it is smaller than the sum of its proper divisors (13536976).

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

12867584 is an equidigital number, since it uses as much as digits as its factorization.

12867584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 166 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 12867584 is about 3587.1414803434. The cubic root of 12867584 is about 234.3323982776.

The spelling of 12867584 in words is "twelve million, eight hundred sixty-seven thousand, five hundred eighty-four".