12005798 has 16 divisors (see below), whose sum is σ = 20766240. Its totient is φ = 5099136.

The previous prime is 12005789. The next prime is 12005801. The reversal of 12005798 is 89750021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2213 + ... + 5376.

It is an arithmetic number, because the mean of its divisors is an integer number (1297890).

Almost surely, 2^12005798 is an apocalyptic number.

12005798 is a deficient number, since it is larger than the sum of its proper divisors (8760442).

12005798 is a wasteful number, since it uses less digits than its factorization.

12005798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 12005798 is about 3464.9383832905. The cubic root of 12005798 is about 228.9797150914.

The spelling of 12005798 in words is "twelve million, five thousand, seven hundred ninety-eight".