19206912 has 72 divisors (see below), whose sum is σ = 51876720. Its totient is φ = 6307840.

The previous prime is 19206907. The next prime is 19206931. The reversal of 19206912 is 21960291.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19206912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68212 + ... + 68492.

It is an arithmetic number, because the mean of its divisors is an integer number (720510).

Almost surely, 2^19206912 is an apocalyptic number.

19206912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19206912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25938360).

19206912 is an abundant number, since it is smaller than the sum of its proper divisors (32669808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19206912 is an equidigital number, since it uses as much as digits as its factorization.

19206912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 19206912 is about 4382.5691095521. The cubic root of 19206912 is about 267.8053089593.

The spelling of 19206912 in words is "nineteen million, two hundred six thousand, nine hundred twelve".