12582947448 has 96 divisors (see below), whose sum is σ = 36275850000. Its totient is φ = 3928877568.

The previous prime is 12582947417. The next prime is 12582947453. The reversal of 12582947448 is 84474928521.

12582947448 is a `hidden beast` number, since 12 + 582 + 9 + 4 + 7 + 4 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12582947394 and 12582947403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70078 + ... + 173426.

Almost surely, 2^12582947448 is an apocalyptic number.

12582947448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12582947448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18137925000).

12582947448 is an abundant number, since it is smaller than the sum of its proper divisors (23692902552).

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

12582947448 is a wasteful number, since it uses less digits than its factorization.

12582947448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103469 (or 103462 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 12582947448 in words is "twelve billion, five hundred eighty-two million, nine hundred forty-seven thousand, four hundred forty-eight".