21696062 has 8 divisors (see below), whose sum is σ = 34257000. Its totient is φ = 10277064.

The previous prime is 21696041. The next prime is 21696079. The reversal of 21696062 is 26069612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 285437 + ... + 285512.

It is an arithmetic number, because the mean of its divisors is an integer number (4282125).

Almost surely, 2^21696062 is an apocalyptic number.

21696062 is a deficient number, since it is larger than the sum of its proper divisors (12560938).

21696062 is a wasteful number, since it uses less digits than its factorization.

21696062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570970.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 21696062 is about 4657.9031763230. The cubic root of 21696062 is about 278.9075716323.

The spelling of 21696062 in words is "twenty-one million, six hundred ninety-six thousand, sixty-two".