21335014 has 16 divisors (see below), whose sum is σ = 33037200. Its totient is φ = 10325664.

The previous prime is 21334997. The next prime is 21335023. The reversal of 21335014 is 41053312.

It is a junction number, because it is equal to n+sod(n) for n = 21334982 and 21335000.

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 7 ways as a sum of consecutive naturals, for example, 16317 + ... + 17575.

It is an arithmetic number, because the mean of its divisors is an integer number (2064825).

Almost surely, 2^21335014 is an apocalyptic number.

21335014 is a deficient number, since it is larger than the sum of its proper divisors (11702186).

21335014 is a wasteful number, since it uses less digits than its factorization.

21335014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 21335014 is about 4618.9840874374. The cubic root of 21335014 is about 277.3517927314.

Adding to 21335014 its reverse (41053312), we get a palindrome (62388326).

The spelling of 21335014 in words is "twenty-one million, three hundred thirty-five thousand, fourteen".