12671047715 has 4 divisors (see below), whose sum is σ = 15205257264. Its totient is φ = 10136838168.

The previous prime is 12671047651. The next prime is 12671047729. The reversal of 12671047715 is 51774017621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12671047715 - 2⁶ = 12671047651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267104767 + ... + 1267104776.

It is an arithmetic number, because the mean of its divisors is an integer number (3801314316).

Almost surely, 2^12671047715 is an apocalyptic number.

12671047715 is a deficient number, since it is larger than the sum of its proper divisors (2534209549).

12671047715 is an equidigital number, since it uses as much as digits as its factorization.

12671047715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534209548.

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 12671047715 in words is "twelve billion, six hundred seventy-one million, forty-seven thousand, seven hundred fifteen".