12009337 has 2 divisors, whose sum is σ = 12009338. Its totient is φ = 12009336.

The previous prime is 12009331. The next prime is 12009367. The reversal of 12009337 is 73390021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10342656 + 1666681 = 3216^2 + 1291^2 .

It is an emirp because it is prime and its reverse (73390021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12009337 - 2³ = 12009329 is a prime.

It is not a weakly prime, because it can be changed into another prime (12009331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6004668 + 6004669.

It is an arithmetic number, because the mean of its divisors is an integer number (6004669).

Almost surely, 2^12009337 is an apocalyptic number.

It is an amenable number.

12009337 is a deficient number, since it is larger than the sum of its proper divisors (1).

12009337 is an equidigital number, since it uses as much as digits as its factorization.

12009337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 12009337 is about 3465.4490329537. The cubic root of 12009337 is about 229.0022119883.

Adding to 12009337 its reverse (73390021), we get a palindrome (85399358).

The spelling of 12009337 in words is "twelve million, nine thousand, three hundred thirty-seven".