12584745894 has 16 divisors (see below), whose sum is σ = 28765133568. Its totient is φ = 3595641672.

The previous prime is 12584745889. The next prime is 12584745911. The reversal of 12584745894 is 49854748521.

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, 149818362 + ... + 149818445.

It is an arithmetic number, because the mean of its divisors is an integer number (1797820848).

Almost surely, 2^12584745894 is an apocalyptic number.

12584745894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12584745894 is an abundant number, since it is smaller than the sum of its proper divisors (16180387674).

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

12584745894 is a wasteful number, since it uses less digits than its factorization.

12584745894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299636819.

The product of its digits is 12902400, while the sum is 57.

The spelling of 12584745894 in words is "twelve billion, five hundred eighty-four million, seven hundred forty-five thousand, eight hundred ninety-four".