19080812 has 12 divisors (see below), whose sum is σ = 33636120. Its totient is φ = 9470496.

The previous prime is 19080781. The next prime is 19080821. The reversal of 19080812 is 21808091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16862 + ... + 17957.

It is an arithmetic number, because the mean of its divisors is an integer number (2803010).

Almost surely, 2^19080812 is an apocalyptic number.

It is an amenable number.

19080812 is a deficient number, since it is larger than the sum of its proper divisors (14555308).

19080812 is a wasteful number, since it uses less digits than its factorization.

19080812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34960 (or 34958 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 19080812 is about 4368.1588798944. The cubic root of 19080812 is about 267.2179435940.

The spelling of 19080812 in words is "nineteen million, eighty thousand, eight hundred twelve".