14039821 has 8 divisors (see below), whose sum is σ = 14891904. Its totient is φ = 13207920.

The previous prime is 14039819. The next prime is 14039833. The reversal of 14039821 is 12893041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14039821 - 2¹ = 14039819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14039821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14039891) by changing a digit.

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, 3601 + ... + 6406.

It is an arithmetic number, because the mean of its divisors is an integer number (1861488).

Almost surely, 2^14039821 is an apocalyptic number.

It is an amenable number.

14039821 is a deficient number, since it is larger than the sum of its proper divisors (852083).

14039821 is a wasteful number, since it uses less digits than its factorization.

14039821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 14039821 is about 3746.9749131800. The cubic root of 14039821 is about 241.2425202832.

The spelling of 14039821 in words is "fourteen million, thirty-nine thousand, eight hundred twenty-one".