2013209 has 8 divisors (see below), whose sum is σ = 2272320. Its totient is φ = 1766800.

The previous prime is 2013197. The next prime is 2013227. The reversal of 2013209 is 9023102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2013209 - 2¹² = 2009113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837 + ... + 3474.

It is an arithmetic number, because the mean of its divisors is an integer number (284040).

2^2013209 is an apocalyptic number.

2013209 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2013209 is a deficient number, since it is larger than the sum of its proper divisors (259111).

2013209 is a wasteful number, since it uses less digits than its factorization.

2013209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6351.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2013209 is about 1418.8759635712. The cubic root of 2013209 is about 126.2688682057.

It can be divided in two parts, 2013 and 209, that added together give a palindrome (2222).

The spelling of 2013209 in words is "two million, thirteen thousand, two hundred nine".