19872132 has 24 divisors (see below), whose sum is σ = 52992576. Its totient is φ = 5677728.

The previous prime is 19872131. The next prime is 19872143. The reversal of 19872132 is 23127891.

It is a junction number, because it is equal to n+sod(n) for n = 19872093 and 19872102.

It is not an unprimeable number, because it can be changed into a prime (19872131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118203 + ... + 118370.

It is an arithmetic number, because the mean of its divisors is an integer number (2208024).

Almost surely, 2^19872132 is an apocalyptic number.

19872132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19872132 is an abundant number, since it is smaller than the sum of its proper divisors (33120444).

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

19872132 is a wasteful number, since it uses less digits than its factorization.

19872132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236587 (or 236585 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 19872132 is about 4457.8169545193. The cubic root of 19872132 is about 270.8620458606.

The spelling of 19872132 in words is "nineteen million, eight hundred seventy-two thousand, one hundred thirty-two".