19696 has 10 divisors (see below), whose sum is σ = 38192. Its totient is φ = 9840.

The previous prime is 19687. The next prime is 19697. The reversal of 19696 is 69691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19697) by changing a digit.

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 as a sum of consecutive naturals, namely, 600 + ... + 631.

2¹⁹⁶⁹⁶ is an apocalyptic number.

19696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19696 is a deficient number, since it is larger than the sum of its proper divisors (18496).

19696 is a wasteful number, since it uses less digits than its factorization.

19696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1233 counting only the distinct ones).

The product of its digits is 2916, while the sum is 31.

The square root of 19696 is about 140.3424383428. The cubic root of 19696 is about 27.0059429076.

It can be divided in two parts, 196 and 96, that added together give a palindrome (292).

The spelling of 19696 in words is "nineteen thousand, six hundred ninety-six".