12009727 has 2 divisors, whose sum is σ = 12009728. Its totient is φ = 12009726.

The previous prime is 12009707. The next prime is 12009733. The reversal of 12009727 is 72790021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12009727 is a prime.

It is a super-2 number, since 2×12009727² = 288467085229058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12009695 and 12009704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12009707) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6004863 + 6004864.

It is an arithmetic number, because the mean of its divisors is an integer number (6004864).

Almost surely, 2^12009727 is an apocalyptic number.

12009727 is a deficient number, since it is larger than the sum of its proper divisors (1).

12009727 is an equidigital number, since it uses as much as digits as its factorization.

12009727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 12009727 is about 3465.5053022611. The cubic root of 12009727 is about 229.0046908900.

Adding to 12009727 its reverse (72790021), we get a palindrome (84799748).

The spelling of 12009727 in words is "twelve million, nine thousand, seven hundred twenty-seven".