13134209 has 4 divisors (see below), whose sum is σ = 14328240. Its totient is φ = 11940180.

The previous prime is 13134203. The next prime is 13134271. The reversal of 13134209 is 90243131.

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 13134209 - 2⁴ = 13134193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13134203) 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, 596999 + ... + 597020.

It is an arithmetic number, because the mean of its divisors is an integer number (3582060).

Almost surely, 2^13134209 is an apocalyptic number.

It is an amenable number.

13134209 is a deficient number, since it is larger than the sum of its proper divisors (1194031).

13134209 is a wasteful number, since it uses less digits than its factorization.

13134209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194030.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13134209 is about 3624.1149264338. The cubic root of 13134209 is about 235.9398546817.

The spelling of 13134209 in words is "thirteen million, one hundred thirty-four thousand, two hundred nine".