12406027 has 2 divisors, whose sum is σ = 12406028. Its totient is φ = 12406026.

The previous prime is 12406021. The next prime is 12406049. The reversal of 12406027 is 72060421.

It is an a-pointer prime, because the next prime (12406049) can be obtained adding 12406027 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (72060421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12406027 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12405989 and 12406007.

It is not a weakly prime, because it can be changed into another prime (12406021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6203013 + 6203014.

It is an arithmetic number, because the mean of its divisors is an integer number (6203014).

Almost surely, 2^12406027 is an apocalyptic number.

12406027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12406027 is an equidigital number, since it uses as much as digits as its factorization.

12406027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12406027 is about 3522.2190448636. The cubic root of 12406027 is about 231.4963994545.

Adding to 12406027 its reverse (72060421), we get a palindrome (84466448).

The spelling of 12406027 in words is "twelve million, four hundred six thousand, twenty-seven".