14327809 has 4 divisors (see below), whose sum is σ = 14632704. Its totient is φ = 14022916.

The previous prime is 14327791. The next prime is 14327813. The reversal of 14327809 is 90872341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14327809 - 2⁵ = 14327777 is a prime.

It is a super-2 number, since 2×14327809² = 410572221480962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14327849) 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, 152377 + ... + 152470.

It is an arithmetic number, because the mean of its divisors is an integer number (3658176).

It is a Proth number, since it is equal to 1749 ⋅ 2¹³ + 1 and 1749 < 2¹³.

Almost surely, 2^14327809 is an apocalyptic number.

It is an amenable number.

14327809 is a deficient number, since it is larger than the sum of its proper divisors (304895).

14327809 is an equidigital number, since it uses as much as digits as its factorization.

14327809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304894.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 14327809 is about 3785.2092412441. The cubic root of 14327809 is about 242.8808427522.

The spelling of 14327809 in words is "fourteen million, three hundred twenty-seven thousand, eight hundred nine".