12804935838 has 16 divisors (see below), whose sum is σ = 25629724416. Its totient is φ = 4265003160.

The previous prime is 12804935831. The next prime is 12804935861. The reversal of 12804935838 is 83853940821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12804935831) 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, 818806 + ... + 834297.

It is an arithmetic number, because the mean of its divisors is an integer number (1601857776).

Almost surely, 2^12804935838 is an apocalyptic number.

12804935838 is an abundant number, since it is smaller than the sum of its proper divisors (12824788578).

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

12804935838 is a wasteful number, since it uses less digits than its factorization.

12804935838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654399.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 12804935838 in words is "twelve billion, eight hundred four million, nine hundred thirty-five thousand, eight hundred thirty-eight".