21336596 has 6 divisors (see below), whose sum is σ = 37339050. Its totient is φ = 10668296.

The previous prime is 21336589. The next prime is 21336613. The reversal of 21336596 is 69563312.

It can be written as a sum of positive squares in only one way, i.e., 20376196 + 960400 = 4514^2 + 980^2 .

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, 2667071 + ... + 2667078.

It is an arithmetic number, because the mean of its divisors is an integer number (6223175).

Almost surely, 2^21336596 is an apocalyptic number.

It is an amenable number.

21336596 is a deficient number, since it is larger than the sum of its proper divisors (16002454).

21336596 is a wasteful number, since it uses less digits than its factorization.

21336596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334153 (or 5334151 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 21336596 is about 4619.1553340411. The cubic root of 21336596 is about 277.3586478115.

The spelling of 21336596 in words is "twenty-one million, three hundred thirty-six thousand, five hundred ninety-six".