12782862506 has 16 divisors (see below), whose sum is σ = 19587139200. Its totient is φ = 6253884000.

The previous prime is 12782862497. The next prime is 12782862583. The reversal of 12782862506 is 60526828721.

12782862506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Curzon number.

It is an unprimeable number.

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, 422381 + ... + 451631.

It is an arithmetic number, because the mean of its divisors is an integer number (1224196200).

Almost surely, 2^12782862506 is an apocalyptic number.

12782862506 is a deficient number, since it is larger than the sum of its proper divisors (6804276694).

12782862506 is a wasteful number, since it uses less digits than its factorization.

12782862506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33949.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 12782862506 in words is "twelve billion, seven hundred eighty-two million, eight hundred sixty-two thousand, five hundred six".