12784048460 has 72 divisors (see below), whose sum is σ = 28418802048. Its totient is φ = 4827667200.

The previous prime is 12784048447. The next prime is 12784048463. The reversal of 12784048460 is 6484048721.

It is not an unprimeable number, because it can be changed into a prime (12784048463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 779909 + ... + 796131.

It is an arithmetic number, because the mean of its divisors is an integer number (394705584).

Almost surely, 2^12784048460 is an apocalyptic number.

12784048460 is a gapful number since it is divisible by the number (10) 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 12784048460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14209401024).

12784048460 is an abundant number, since it is smaller than the sum of its proper divisors (15634753588).

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

12784048460 is a wasteful number, since it uses less digits than its factorization.

12784048460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16335 (or 16302 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 12784048460 in words is "twelve billion, seven hundred eighty-four million, forty-eight thousand, four hundred sixty".