12075609 has 48 divisors (see below), whose sum is σ = 20684160. Its totient is φ = 6209280.

The previous prime is 12075599. The next prime is 12075631. The reversal of 12075609 is 90657021.

It is not a de Polignac number, because 12075609 - 2⁹ = 12075097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12070609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135637 + ... + 135725.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 2^12075609 is an apocalyptic number.

It is an amenable number.

12075609 is a deficient number, since it is larger than the sum of its proper divisors (8608551).

12075609 is a wasteful number, since it uses less digits than its factorization.

12075609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 12075609 is about 3474.9976978410. The cubic root of 12075609 is about 229.4226793701.

The spelling of 12075609 in words is "twelve million, seventy-five thousand, six hundred nine".