12068209 has 4 divisors (see below), whose sum is σ = 12181104. Its totient is φ = 11955316.

The previous prime is 12068197. The next prime is 12068233. The reversal of 12068209 is 90286021.

It is a happy number.

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 12068209 - 2⁹ = 12067697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12068279) 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 3 ways as a sum of consecutive naturals, for example, 56287 + ... + 56500.

It is an arithmetic number, because the mean of its divisors is an integer number (3045276).

Almost surely, 2^12068209 is an apocalyptic number.

It is an amenable number.

12068209 is a deficient number, since it is larger than the sum of its proper divisors (112895).

12068209 is a wasteful number, since it uses less digits than its factorization.

12068209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112894.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 12068209 is about 3473.9327857631. The cubic root of 12068209 is about 229.3758059650.

The spelling of 12068209 in words is "twelve million, sixty-eight thousand, two hundred nine".