19244812 has 12 divisors (see below), whose sum is σ = 34181560. Its totient is φ = 9478656.

The previous prime is 19244809. The next prime is 19244821. The reversal of 19244812 is 21844291.

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, 35637 + ... + 36172.

Almost surely, 2^19244812 is an apocalyptic number.

It is an amenable number.

19244812 is a deficient number, since it is larger than the sum of its proper divisors (14936748).

19244812 is a wasteful number, since it uses less digits than its factorization.

19244812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71880 (or 71878 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 19244812 is about 4386.8909263851. The cubic root of 19244812 is about 267.9813419847.

The spelling of 19244812 in words is "nineteen million, two hundred forty-four thousand, eight hundred twelve".