12571267 has 2 divisors, whose sum is σ = 12571268. Its totient is φ = 12571266.

The previous prime is 12571261. The next prime is 12571301. The reversal of 12571267 is 76217521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12571267 is a prime.

It is not a weakly prime, because it can be changed into another prime (12571261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285633 + 6285634.

It is an arithmetic number, because the mean of its divisors is an integer number (6285634).

Almost surely, 2^12571267 is an apocalyptic number.

12571267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12571267 is an equidigital number, since it uses as much as digits as its factorization.

12571267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 31.

The square root of 12571267 is about 3545.5982569942. The cubic root of 12571267 is about 232.5196622675.

Adding to 12571267 its reverse (76217521), we get a palindrome (88788788).

The spelling of 12571267 in words is "twelve million, five hundred seventy-one thousand, two hundred sixty-seven".