14252721 has 16 divisors (see below), whose sum is σ = 21924864. Its totient is φ = 8067024.

The previous prime is 14252701. The next prime is 14252747. The reversal of 14252721 is 12725241.

14252721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14252721 - 2⁶ = 14252657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14252691 and 14252700.

It is not an unprimeable number, because it can be changed into a prime (14252701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (1370304).

Almost surely, 2^14252721 is an apocalyptic number.

It is an amenable number.

14252721 is a deficient number, since it is larger than the sum of its proper divisors (7672143).

14252721 is a wasteful number, since it uses less digits than its factorization.

14252721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6460.

The product of its digits is 1120, while the sum is 24.

The square root of 14252721 is about 3775.2776056868. The cubic root of 14252721 is about 242.4558094274.

Adding to 14252721 its reverse (12725241), we get a palindrome (26977962).

The spelling of 14252721 in words is "fourteen million, two hundred fifty-two thousand, seven hundred twenty-one".