12784510308 has 12 divisors (see below), whose sum is σ = 29830524080. Its totient is φ = 4261503432.

The previous prime is 12784510261. The next prime is 12784510309. The reversal of 12784510308 is 80301548721.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12784510309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532687918 + ... + 532687941.

Almost surely, 2^12784510308 is an apocalyptic number.

It is an amenable number.

12784510308 is an abundant number, since it is smaller than the sum of its proper divisors (17046013772).

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

12784510308 is a wasteful number, since it uses less digits than its factorization.

12784510308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065375866 (or 1065375864 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 12784510308 in words is "twelve billion, seven hundred eighty-four million, five hundred ten thousand, three hundred eight".