12448847556 has 30 divisors (see below), whose sum is σ = 32543747390. Its totient is φ = 4149615744.

The previous prime is 12448847531. The next prime is 12448847561. The reversal of 12448847556 is 65574884421.

12448847556 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 8 + 84 + 7 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8676922500 + 3771925056 = 93150^2 + 61416^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19210861 + ... + 19211508.

Almost surely, 2^12448847556 is an apocalyptic number.

It is an amenable number.

12448847556 is an abundant number, since it is smaller than the sum of its proper divisors (20094899834).

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

12448847556 is a wasteful number, since it uses less digits than its factorization.

12448847556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38422385 (or 38422374 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 12448847556 in words is "twelve billion, four hundred forty-eight million, eight hundred forty-seven thousand, five hundred fifty-six".