14038921 has 4 divisors (see below), whose sum is σ = 15118852. Its totient is φ = 12958992.

The previous prime is 14038919. The next prime is 14038931. The reversal of 14038921 is 12983041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2890000 + 11148921 = 1700^2 + 3339^2 .

It is a cyclic number.

It is not a de Polignac number, because 14038921 - 2¹ = 14038919 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 14038921.

It is not an unprimeable number, because it can be changed into a prime (14038931) 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 3 ways as a sum of consecutive naturals, for example, 539946 + ... + 539971.

It is an arithmetic number, because the mean of its divisors is an integer number (3779713).

Almost surely, 2^14038921 is an apocalyptic number.

It is an amenable number.

14038921 is a deficient number, since it is larger than the sum of its proper divisors (1079931).

14038921 is a wasteful number, since it uses less digits than its factorization.

14038921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079930.

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

The square root of 14038921 is about 3746.8548143743. The cubic root of 14038921 is about 241.2373653526.

The spelling of 14038921 in words is "fourteen million, thirty-eight thousand, nine hundred twenty-one".