19957132 has 12 divisors (see below), whose sum is σ = 37611616. Its totient is φ = 9210960.

The previous prime is 19957129. The next prime is 19957139. The reversal of 19957132 is 23175991.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19957091 and 19957100.

It is not an unprimeable number, because it can be changed into a prime (19957139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191844 + ... + 191947.

Almost surely, 2^19957132 is an apocalyptic number.

It is an amenable number.

19957132 is a deficient number, since it is larger than the sum of its proper divisors (17654484).

19957132 is a wasteful number, since it uses less digits than its factorization.

19957132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383808 (or 383806 counting only the distinct ones).

The product of its digits is 17010, while the sum is 37.

The square root of 19957132 is about 4467.3405959251. The cubic root of 19957132 is about 271.2476868427.

The spelling of 19957132 in words is "nineteen million, nine hundred fifty-seven thousand, one hundred thirty-two".