12860443547 has 4 divisors (see below), whose sum is σ = 14697649776. Its totient is φ = 11023237320.

The previous prime is 12860443529. The next prime is 12860443553. The reversal of 12860443547 is 74534406821.

It is a happy number.

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 12860443547 - 2¹⁴ = 12860427163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12860443498 and 12860443507.

It is not an unprimeable number, because it can be changed into a prime (12860443517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918603104 + ... + 918603117.

It is an arithmetic number, because the mean of its divisors is an integer number (3674412444).

Almost surely, 2^12860443547 is an apocalyptic number.

12860443547 is a deficient number, since it is larger than the sum of its proper divisors (1837206229).

12860443547 is an equidigital number, since it uses as much as digits as its factorization.

12860443547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837206228.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 12860443547 in words is "twelve billion, eight hundred sixty million, four hundred forty-three thousand, five hundred forty-seven".