19792012 has 48 divisors (see below), whose sum is σ = 38949120. Its totient is φ = 8755200.

The previous prime is 19792009. The next prime is 19792013. The reversal of 19792012 is 21029791.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (19792013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86314 + ... + 86542.

It is an arithmetic number, because the mean of its divisors is an integer number (811440).

Almost surely, 2^19792012 is an apocalyptic number.

It is an amenable number.

19792012 is a deficient number, since it is larger than the sum of its proper divisors (19157108).

19792012 is a wasteful number, since it uses less digits than its factorization.

19792012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 19792012 is about 4448.8214169598. The cubic root of 19792012 is about 270.4975371141.

The spelling of 19792012 in words is "nineteen million, seven hundred ninety-two thousand, twelve".