14380921 has 4 divisors (see below), whose sum is σ = 14393232. Its totient is φ = 14368612.

The previous prime is 14380909. The next prime is 14380937. The reversal of 14380921 is 12908341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12908341 = 2269 ⋅5689.

It is a cyclic number.

It is not a de Polignac number, because 14380921 - 2¹¹ = 14378873 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 14380921.

It is not an unprimeable number, because it can be changed into a prime (14380981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4195 + ... + 6808.

It is an arithmetic number, because the mean of its divisors is an integer number (3598308).

Almost surely, 2^14380921 is an apocalyptic number.

It is an amenable number.

14380921 is a deficient number, since it is larger than the sum of its proper divisors (12311).

14380921 is a wasteful number, since it uses less digits than its factorization.

14380921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12310.

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

The square root of 14380921 is about 3792.2184799929. The cubic root of 14380921 is about 243.1805857313.

The spelling of 14380921 in words is "fourteen million, three hundred eighty thousand, nine hundred twenty-one".