14173009 has 4 divisors (see below), whose sum is σ = 14185060. Its totient is φ = 14160960.

The previous prime is 14173007. The next prime is 14173043. The reversal of 14173009 is 90037141.

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 12006225 + 2166784 = 3465^2 + 1472^2 .

It is a cyclic number.

It is not a de Polignac number, because 14173009 - 2¹ = 14173007 is a prime.

It is a super-2 number, since 2×14173009² = 401748368228162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14173007) 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, 4044 + ... + 6685.

It is an arithmetic number, because the mean of its divisors is an integer number (3546265).

Almost surely, 2^14173009 is an apocalyptic number.

It is an amenable number.

14173009 is a deficient number, since it is larger than the sum of its proper divisors (12051).

14173009 is a wasteful number, since it uses less digits than its factorization.

14173009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12050.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 14173009 is about 3764.7056989890. The cubic root of 14173009 is about 242.0029653804.

The spelling of 14173009 in words is "fourteen million, one hundred seventy-three thousand, nine".