12127207 has 2 divisors, whose sum is σ = 12127208. Its totient is φ = 12127206.

The previous prime is 12127183. The next prime is 12127217. The reversal of 12127207 is 70272121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12127207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12127217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6063603 + 6063604.

It is an arithmetic number, because the mean of its divisors is an integer number (6063604).

Almost surely, 2^12127207 is an apocalyptic number.

12127207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12127207 is an equidigital number, since it uses as much as digits as its factorization.

12127207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 12127207 is about 3482.4139616077. The cubic root of 12127207 is about 229.7489826030.

Adding to 12127207 its reverse (70272121), we get a palindrome (82399328).

The spelling of 12127207 in words is "twelve million, one hundred twenty-seven thousand, two hundred seven".