12860344947 has 32 divisors (see below), whose sum is σ = 18122840064. Its totient is φ = 8100921600.

The previous prime is 12860344879. The next prime is 12860344999. The reversal of 12860344947 is 74944306821.

It is not a de Polignac number, because 12860344947 - 2⁸ = 12860344691 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12860344896 and 12860344905.

It is not an unprimeable number, because it can be changed into a prime (12860344247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 768928 + ... + 785474.

It is an arithmetic number, because the mean of its divisors is an integer number (566338752).

Almost surely, 2^12860344947 is an apocalyptic number.

12860344947 is a deficient number, since it is larger than the sum of its proper divisors (5262495117).

12860344947 is a wasteful number, since it uses less digits than its factorization.

12860344947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16779.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 12860344947 in words is "twelve billion, eight hundred sixty million, three hundred forty-four thousand, nine hundred forty-seven".