12009475 has 6 divisors (see below), whose sum is σ = 14891780. Its totient is φ = 9607560.

The previous prime is 12009469. The next prime is 12009499. The reversal of 12009475 is 57490021.

It is a happy number.

It is not a de Polignac number, because 12009475 - 2⁵ = 12009443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240165 + ... + 240214.

Almost surely, 2^12009475 is an apocalyptic number.

12009475 is a deficient number, since it is larger than the sum of its proper divisors (2882305).

12009475 is an equidigital number, since it uses as much as digits as its factorization.

12009475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480389 (or 480384 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12009475 is about 3465.4689437362. The cubic root of 12009475 is about 229.0030891443.

Adding to 12009475 its reverse (57490021), we get a palindrome (69499496).

The spelling of 12009475 in words is "twelve million, nine thousand, four hundred seventy-five".