14211409 has 4 divisors (see below), whose sum is σ = 14247604. Its totient is φ = 14175216.

The previous prime is 14211403. The next prime is 14211413. The reversal of 14211409 is 90411241.

14211409 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 4774225 + 9437184 = 2185^2 + 3072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14211409 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 14211409.

It is not an unprimeable number, because it can be changed into a prime (14211403) 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, 17502 + ... + 18295.

It is an arithmetic number, because the mean of its divisors is an integer number (3561901).

Almost surely, 2^14211409 is an apocalyptic number.

It is an amenable number.

14211409 is a deficient number, since it is larger than the sum of its proper divisors (36195).

14211409 is an equidigital number, since it uses as much as digits as its factorization.

14211409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36194.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 14211409 is about 3769.8022494555. The cubic root of 14211409 is about 242.2213272403.

The spelling of 14211409 in words is "fourteen million, two hundred eleven thousand, four hundred nine".