12784460274 has 12 divisors (see below), whose sum is σ = 27699663966. Its totient is φ = 4261486752.

The previous prime is 12784460239. The next prime is 12784460279. The reversal of 12784460274 is 47206448721.

12784460274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12375005049 + 409455225 = 111243^2 + 20235^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12784460279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355123879 + ... + 355123914.

Almost surely, 2^12784460274 is an apocalyptic number.

12784460274 is an abundant number, since it is smaller than the sum of its proper divisors (14915203692).

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

12784460274 is a wasteful number, since it uses less digits than its factorization.

12784460274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710247801 (or 710247798 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 12784460274 in words is "twelve billion, seven hundred eighty-four million, four hundred sixty thousand, two hundred seventy-four".