12745584 has 60 divisors (see below), whose sum is σ = 36279672. Its totient is φ = 4176000.

The previous prime is 12745583. The next prime is 12745589. The reversal of 12745584 is 48554721.

12745584 is a `hidden beast` number, since 1 + 2 + 74 + 5 + 584 = 666.

12745584 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8059 + ... + 9509.

Almost surely, 2^12745584 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 12745584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18139836).

12745584 is an abundant number, since it is smaller than the sum of its proper divisors (23534088).

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

12745584 is a wasteful number, since it uses less digits than its factorization.

12745584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1517 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 12745584 is about 3570.0957970340. The cubic root of 12745584 is about 233.5894620567.

The spelling of 12745584 in words is "twelve million, seven hundred forty-five thousand, five hundred eighty-four".