12068809 has 2 divisors, whose sum is σ = 12068810. Its totient is φ = 12068808.

The previous prime is 12068803. The next prime is 12068831. The reversal of 12068809 is 90886021.

12068809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6051600 + 6017209 = 2460^2 + 2453^2 .

It is an emirp because it is prime and its reverse (90886021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12068809 - 2¹³ = 12060617 is a prime.

It is not a weakly prime, because it can be changed into another prime (12068803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6034404 + 6034405.

It is an arithmetic number, because the mean of its divisors is an integer number (6034405).

Almost surely, 2^12068809 is an apocalyptic number.

It is an amenable number.

12068809 is a deficient number, since it is larger than the sum of its proper divisors (1).

12068809 is an equidigital number, since it uses as much as digits as its factorization.

12068809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 12068809 is about 3474.0191421465. The cubic root of 12068809 is about 229.3796072251.

The spelling of 12068809 in words is "twelve million, sixty-eight thousand, eight hundred nine".