14250821 has 8 divisors (see below), whose sum is σ = 15721944. Its totient is φ = 12833280.

The previous prime is 14250791. The next prime is 14250829. The reversal of 14250821 is 12805241.

14250821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 14250625 = 14^2 + 3775^2 .

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 14250821 - 2⁶ = 14250757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14250829) 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, 12836 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (1965243).

Almost surely, 2^14250821 is an apocalyptic number.

It is an amenable number.

14250821 is a deficient number, since it is larger than the sum of its proper divisors (1471123).

14250821 is a wasteful number, since it uses less digits than its factorization.

14250821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26791.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 14250821 is about 3775.0259601756. The cubic root of 14250821 is about 242.4450351921.

The spelling of 14250821 in words is "fourteen million, two hundred fifty thousand, eight hundred twenty-one".