12673621817 has 8 divisors (see below), whose sum is σ = 12794931072. Its totient is φ = 12552853600.

The previous prime is 12673621811. The next prime is 12673621823. The reversal of 12673621817 is 71812637621.

It is an interprime number because it is at equal distance from previous prime (12673621811) and next prime (12673621823).

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 12673621817 - 2⁴ = 12673621801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12673621811) 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 7 ways as a sum of consecutive naturals, for example, 88109 + ... + 181962.

It is an arithmetic number, because the mean of its divisors is an integer number (1599366384).

Almost surely, 2^12673621817 is an apocalyptic number.

It is an amenable number.

12673621817 is a deficient number, since it is larger than the sum of its proper divisors (121309255).

12673621817 is a wasteful number, since it uses less digits than its factorization.

12673621817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270519.

The product of its digits is 169344, while the sum is 44.

The spelling of 12673621817 in words is "twelve billion, six hundred seventy-three million, six hundred twenty-one thousand, eight hundred seventeen".