12923860818 has 32 divisors (see below), whose sum is σ = 28476712512. Its totient is φ = 3877544000.

The previous prime is 12923860813. The next prime is 12923860841. The reversal of 12923860818 is 81806832921.

It is not an unprimeable number, because it can be changed into a prime (12923860811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962721 + ... + 976052.

It is an arithmetic number, because the mean of its divisors is an integer number (889897266).

Almost surely, 2^12923860818 is an apocalyptic number.

12923860818 is an abundant number, since it is smaller than the sum of its proper divisors (15552851694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12923860818 is a wasteful number, since it uses less digits than its factorization.

12923860818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938890.

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 12923860818 in words is "twelve billion, nine hundred twenty-three million, eight hundred sixty thousand, eight hundred eighteen".