14026809 has 4 divisors (see below), whose sum is σ = 18702416. Its totient is φ = 9351204.

The previous prime is 14026801. The next prime is 14026813. The reversal of 14026809 is 90862041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90862041 = 3 ⋅30287347.

It is not a de Polignac number, because 14026809 - 2³ = 14026801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14026801) 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, 2337799 + ... + 2337804.

It is an arithmetic number, because the mean of its divisors is an integer number (4675604).

Almost surely, 2^14026809 is an apocalyptic number.

It is an amenable number.

14026809 is a deficient number, since it is larger than the sum of its proper divisors (4675607).

14026809 is an equidigital number, since it uses as much as digits as its factorization.

14026809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675606.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 14026809 is about 3745.2381766718. The cubic root of 14026809 is about 241.1679699993.

The spelling of 14026809 in words is "fourteen million, twenty-six thousand, eight hundred nine".