12009336 has 16 divisors (see below), whose sum is σ = 30023400. Its totient is φ = 4003104.

The previous prime is 12009331. The next prime is 12009337. The reversal of 12009336 is 63390021.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 500389 = 12009336 / (1 + 2 + 0 + 0 + 9 + 3 + 3 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12009331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250171 + ... + 250218.

Almost surely, 2^12009336 is an apocalyptic number.

It is an amenable number.

12009336 is an abundant number, since it is smaller than the sum of its proper divisors (18014064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12009336 is a wasteful number, since it uses less digits than its factorization.

12009336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500398 (or 500394 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 12009336 is about 3465.4488886723. The cubic root of 12009336 is about 229.0022056321.

Adding to 12009336 its reverse (63390021), we get a palindrome (75399357).

The spelling of 12009336 in words is "twelve million, nine thousand, three hundred thirty-six".