12060209 has 16 divisors (see below), whose sum is σ = 14361600. Its totient is φ = 9910080.

The previous prime is 12060199. The next prime is 12060229. The reversal of 12060209 is 90206021.

It is not a de Polignac number, because 12060209 - 2¹² = 12056113 is a prime.

It is a super-2 number, since 2×12060209² = 290897282247362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12060229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32147 + ... + 32519.

It is an arithmetic number, because the mean of its divisors is an integer number (897600).

Almost surely, 2^12060209 is an apocalyptic number.

It is an amenable number.

12060209 is a deficient number, since it is larger than the sum of its proper divisors (2301391).

12060209 is a wasteful number, since it uses less digits than its factorization.

12060209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12060209 is about 3472.7811621235. The cubic root of 12060209 is about 229.3251104538.

The spelling of 12060209 in words is "twelve million, sixty thousand, two hundred nine".