12647865347 has 8 divisors (see below), whose sum is σ = 14212986144. Its totient is φ = 11167345728.

The previous prime is 12647865313. The next prime is 12647865371. The reversal of 12647865347 is 74356874621.

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

It is a cyclic number.

It is not a de Polignac number, because 12647865347 - 2¹² = 12647861251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12647865397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21149978 + ... + 21150575.

It is an arithmetic number, because the mean of its divisors is an integer number (1776623268).

Almost surely, 2^12647865347 is an apocalyptic number.

12647865347 is a deficient number, since it is larger than the sum of its proper divisors (1565120797).

12647865347 is a wasteful number, since it uses less digits than its factorization.

12647865347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42300589.

The product of its digits is 6773760, while the sum is 53.

The spelling of 12647865347 in words is "twelve billion, six hundred forty-seven million, eight hundred sixty-five thousand, three hundred forty-seven".