19875132 has 30 divisors (see below), whose sum is σ = 51958368. Its totient is φ = 6624936.

The previous prime is 19875131. The next prime is 19875137. The reversal of 19875132 is 23157891.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19875131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30348 + ... + 30995.

Almost surely, 2^19875132 is an apocalyptic number.

19875132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19875132 is an abundant number, since it is smaller than the sum of its proper divisors (32083236).

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

19875132 is a wasteful number, since it uses less digits than its factorization.

19875132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61359 (or 61348 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 19875132 is about 4458.1534293920. The cubic root of 19875132 is about 270.8756754207.

The spelling of 19875132 in words is "nineteen million, eight hundred seventy-five thousand, one hundred thirty-two".