12208571 has 2 divisors, whose sum is σ = 12208572. Its totient is φ = 12208570.

The previous prime is 12208549. The next prime is 12208597. The reversal of 12208571 is 17580221.

It is an a-pointer prime, because the next prime (12208597) can be obtained adding 12208571 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (17580221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12208571 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12208571.

It is not a weakly prime, because it can be changed into another prime (12208531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6104285 + 6104286.

It is an arithmetic number, because the mean of its divisors is an integer number (6104286).

Almost surely, 2^12208571 is an apocalyptic number.

12208571 is a deficient number, since it is larger than the sum of its proper divisors (1).

12208571 is an equidigital number, since it uses as much as digits as its factorization.

12208571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12208571 is about 3494.0765589781. The cubic root of 12208571 is about 230.2616493033.

Adding to 12208571 its reverse (17580221), we get a palindrome (29788792).

The spelling of 12208571 in words is "twelve million, two hundred eight thousand, five hundred seventy-one".