14809321 has 4 divisors (see below), whose sum is σ = 14822100. Its totient is φ = 14796544.

The previous prime is 14809279. The next prime is 14809349. The reversal of 14809321 is 12390841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12390841 = 17 ⋅728873.

It can be written as a sum of positive squares in 2 ways, for example, as 7728400 + 7080921 = 2780^2 + 2661^2 .

It is a cyclic number.

It is not a de Polignac number, because 14809321 - 2¹⁷ = 14678249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14809321.

It is not an unprimeable number, because it can be changed into a prime (14809391) 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, 4456 + ... + 7033.

It is an arithmetic number, because the mean of its divisors is an integer number (3705525).

Almost surely, 2^14809321 is an apocalyptic number.

It is an amenable number.

14809321 is a deficient number, since it is larger than the sum of its proper divisors (12779).

14809321 is a wasteful number, since it uses less digits than its factorization.

14809321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12778.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 14809321 is about 3848.2880609435. The cubic root of 14809321 is about 245.5717370756.

It can be divided in two parts, 1480 and 9321, that added together give a palindrome (10801).

The spelling of 14809321 in words is "fourteen million, eight hundred nine thousand, three hundred twenty-one".