12804866358 has 32 divisors (see below), whose sum is σ = 25779866112. Its totient is φ = 4239986400.

The previous prime is 12804866339. The next prime is 12804866359. The reversal of 12804866358 is 85366840821.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12804866358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12804866359) 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 15 ways as a sum of consecutive naturals, for example, 1048435 + ... + 1060577.

It is an arithmetic number, because the mean of its divisors is an integer number (805620816).

Almost surely, 2^12804866358 is an apocalyptic number.

12804866358 is an abundant number, since it is smaller than the sum of its proper divisors (12974999754).

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

12804866358 is a wasteful number, since it uses less digits than its factorization.

12804866358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13300.

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 12804866358 in words is "twelve billion, eight hundred four million, eight hundred sixty-six thousand, three hundred fifty-eight".