19482012 has 144 divisors (see below), whose sum is σ = 59458560. Its totient is φ = 5464800.

The previous prime is 19481963. The next prime is 19482019. The reversal of 19482012 is 21028491.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19482019) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 628437 + ... + 628467.

Almost surely, 2^19482012 is an apocalyptic number.

19482012 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 19482012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29729280).

19482012 is an abundant number, since it is smaller than the sum of its proper divisors (39976548).

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

19482012 is a wasteful number, since it uses less digits than its factorization.

19482012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 19482012 is about 4413.8432233146. The cubic root of 19482012 is about 269.0778416995.

The spelling of 19482012 in words is "nineteen million, four hundred eighty-two thousand, twelve".