14532721 has 8 divisors (see below), whose sum is σ = 16796160. Its totient is φ = 12316128.

The previous prime is 14532697. The next prime is 14532731. The reversal of 14532721 is 12723541.

It is a happy number.

14532721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 14532721 - 2⁷ = 14532593 is a prime.

It is a super-2 number, since 2×14532721² = 422399959327682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14532731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11041 + ... + 12286.

It is an arithmetic number, because the mean of its divisors is an integer number (2099520).

Almost surely, 2^14532721 is an apocalyptic number.

It is an amenable number.

14532721 is a deficient number, since it is larger than the sum of its proper divisors (2263439).

14532721 is an equidigital number, since it uses as much as digits as its factorization.

14532721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23423.

The product of its digits is 1680, while the sum is 25.

The square root of 14532721 is about 3812.1806095724. The cubic root of 14532721 is about 244.0332358650.

The spelling of 14532721 in words is "fourteen million, five hundred thirty-two thousand, seven hundred twenty-one".