21196376 has 8 divisors (see below), whose sum is σ = 39743220. Its totient is φ = 10598184.

The previous prime is 21196349. The next prime is 21196397. The reversal of 21196376 is 67369112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324766 + ... + 1324781.

Almost surely, 2^21196376 is an apocalyptic number.

It is an amenable number.

21196376 is a deficient number, since it is larger than the sum of its proper divisors (18546844).

21196376 is a wasteful number, since it uses less digits than its factorization.

21196376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649553 (or 2649549 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 21196376 is about 4603.9522152168. The cubic root of 21196376 is about 276.7497294186.

The spelling of 21196376 in words is "twenty-one million, one hundred ninety-six thousand, three hundred seventy-six".