14457321 has 12 divisors (see below), whose sum is σ = 21024900. Its totient is φ = 9572640.

The previous prime is 14457307. The next prime is 14457323. The reversal of 14457321 is 12375441.

It can be written as a sum of positive squares in 2 ways, for example, as 2822400 + 11634921 = 1680^2 + 3411^2 .

It is not a de Polignac number, because 14457321 - 2⁶ = 14457257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14457323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4050 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (1752075).

Almost surely, 2^14457321 is an apocalyptic number.

It is an amenable number.

14457321 is a deficient number, since it is larger than the sum of its proper divisors (6567579).

14457321 is a wasteful number, since it uses less digits than its factorization.

14457321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10936 (or 10933 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 14457321 is about 3802.2783959095. The cubic root of 14457321 is about 243.6104653063.

The spelling of 14457321 in words is "fourteen million, four hundred fifty-seven thousand, three hundred twenty-one".