14180321 has 4 divisors (see below), whose sum is σ = 14229012. Its totient is φ = 14131632.

The previous prime is 14180311. The next prime is 14180359. The reversal of 14180321 is 12308141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12503296 + 1677025 = 3536^2 + 1295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14180321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14180293 and 14180302.

It is not an unprimeable number, because it can be changed into a prime (14180311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23906 + ... + 24491.

It is an arithmetic number, because the mean of its divisors is an integer number (3557253).

Almost surely, 2^14180321 is an apocalyptic number.

It is an amenable number.

14180321 is a deficient number, since it is larger than the sum of its proper divisors (48691).

14180321 is an equidigital number, since it uses as much as digits as its factorization.

14180321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48690.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 14180321 is about 3765.6766988152. The cubic root of 14180321 is about 242.0445754922.

Adding to 14180321 its reverse (12308141), we get a palindrome (26488462).

The spelling of 14180321 in words is "fourteen million, one hundred eighty thousand, three hundred twenty-one".