12784491267 has 8 divisors (see below), whose sum is σ = 17506690896. Its totient is φ = 8292642912.

The previous prime is 12784491253. The next prime is 12784491329. The reversal of 12784491267 is 76219448721.

12784491267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12784491267 - 2¹¹ = 12784489219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12784491227) 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 7 ways as a sum of consecutive naturals, for example, 57587688 + ... + 57587909.

It is an arithmetic number, because the mean of its divisors is an integer number (2188336362).

Almost surely, 2^12784491267 is an apocalyptic number.

12784491267 is a deficient number, since it is larger than the sum of its proper divisors (4722199629).

12784491267 is a wasteful number, since it uses less digits than its factorization.

12784491267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115175637.

The product of its digits is 1354752, while the sum is 51.

The spelling of 12784491267 in words is "twelve billion, seven hundred eighty-four million, four hundred ninety-one thousand, two hundred sixty-seven".