19930912 has 24 divisors (see below), whose sum is σ = 39626496. Its totient is φ = 9867072.

The previous prime is 19930891. The next prime is 19930921. The reversal of 19930912 is 21903991.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273 + ... + 6319.

It is an arithmetic number, because the mean of its divisors is an integer number (1651104).

Almost surely, 2^19930912 is an apocalyptic number.

It is an amenable number.

19930912 is a deficient number, since it is larger than the sum of its proper divisors (19695584).

19930912 is a wasteful number, since it uses less digits than its factorization.

19930912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160 (or 6152 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 19930912 is about 4464.4049995492. The cubic root of 19930912 is about 271.1288449287.

The spelling of 19930912 in words is "nineteen million, nine hundred thirty thousand, nine hundred twelve".