805748012 has 12 divisors (see below), whose sum is σ = 1429375416. Its totient is φ = 397355040.

The previous prime is 805747993. The next prime is 805748017. The reversal of 805748012 is 210847508.

It is not an unprimeable number, because it can be changed into a prime (805748017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1379414 + ... + 1379997.

It is an arithmetic number, because the mean of its divisors is an integer number (119114618).

Almost surely, 2^805748012 is an apocalyptic number.

It is an amenable number.

805748012 is a deficient number, since it is larger than the sum of its proper divisors (623627404).

805748012 is a wasteful number, since it uses less digits than its factorization.

805748012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759488 (or 2759486 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 805748012 is about 28385.7008368650. The cubic root of 805748012 is about 930.5357886932.

The spelling of 805748012 in words is "eight hundred five million, seven hundred forty-eight thousand, twelve".