21044714 has 8 divisors (see below), whose sum is σ = 31592100. Its totient is φ = 10514016.

The previous prime is 21044711. The next prime is 21044717. The reversal of 21044714 is 41744012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21044711) and next prime (21044717).

It can be written as a sum of positive squares in 2 ways, for example, as 19070689 + 1974025 = 4367^2 + 1405^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21044714.

It is not an unprimeable number, because it can be changed into a prime (21044711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299 + ... + 6494.

Almost surely, 2^21044714 is an apocalyptic number.

21044714 is a deficient number, since it is larger than the sum of its proper divisors (10547386).

21044714 is a wasteful number, since it uses less digits than its factorization.

21044714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 21044714 is about 4587.4517981119. The cubic root of 21044714 is about 276.0880923730.

Adding to 21044714 its reverse (41744012), we get a palindrome (62788726).

The spelling of 21044714 in words is "twenty-one million, forty-four thousand, seven hundred fourteen".