14872209 has 16 divisors (see below), whose sum is σ = 21725184. Its totient is φ = 8974800.

The previous prime is 14872199. The next prime is 14872213. The reversal of 14872209 is 90227841.

It is a happy number.

It is not a de Polignac number, because 14872209 - 2¹¹ = 14870161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14872209.

It is not an unprimeable number, because it can be changed into a prime (14872259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8112 + ... + 9774.

It is an arithmetic number, because the mean of its divisors is an integer number (1357824).

Almost surely, 2^14872209 is an apocalyptic number.

It is an amenable number.

14872209 is a deficient number, since it is larger than the sum of its proper divisors (6852975).

14872209 is a wasteful number, since it uses less digits than its factorization.

14872209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 14872209 is about 3856.4503108429. The cubic root of 14872209 is about 245.9188541932.

The spelling of 14872209 in words is "fourteen million, eight hundred seventy-two thousand, two hundred nine".