12673545838 has 16 divisors (see below), whose sum is σ = 19693964160. Its totient is φ = 6109516000.

The previous prime is 12673545779. The next prime is 12673545839. The reversal of 12673545838 is 83854537621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12673545839) 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, 115198 + ... + 196513.

It is an arithmetic number, because the mean of its divisors is an integer number (1230872760).

Almost surely, 2^12673545838 is an apocalyptic number.

12673545838 is a deficient number, since it is larger than the sum of its proper divisors (7020418322).

12673545838 is a wasteful number, since it uses less digits than its factorization.

12673545838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312443.

The product of its digits is 4838400, while the sum is 52.

The spelling of 12673545838 in words is "twelve billion, six hundred seventy-three million, five hundred forty-five thousand, eight hundred thirty-eight".