14025721 has 4 divisors (see below), whose sum is σ = 14048244. Its totient is φ = 14003200.

The previous prime is 14025707. The next prime is 14025727. The reversal of 14025721 is 12752041.

It is a happy number.

14025721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12752041 = 3571².

It can be written as a sum of positive squares in 2 ways, for example, as 5405625 + 8620096 = 2325^2 + 2936^2 .

It is a cyclic number.

It is not a de Polignac number, because 14025721 - 2⁵ = 14025689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14025692 and 14025701.

It is not an unprimeable number, because it can be changed into a prime (14025727) 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, 10300 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (3512061).

Almost surely, 2^14025721 is an apocalyptic number.

It is an amenable number.

14025721 is a deficient number, since it is larger than the sum of its proper divisors (22523).

14025721 is an equidigital number, since it uses as much as digits as its factorization.

14025721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22522.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 14025721 is about 3745.0929227457. The cubic root of 14025721 is about 241.1617343797.

Adding to 14025721 its reverse (12752041), we get a palindrome (26777762).

The spelling of 14025721 in words is "fourteen million, twenty-five thousand, seven hundred twenty-one".