12208871 has 2 divisors, whose sum is σ = 12208872. Its totient is φ = 12208870.

The previous prime is 12208843. The next prime is 12208877. The reversal of 12208871 is 17880221.

It is a strong prime.

It is an emirp because it is prime and its reverse (17880221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12208871 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12208877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6104435 + 6104436.

It is an arithmetic number, because the mean of its divisors is an integer number (6104436).

Almost surely, 2^12208871 is an apocalyptic number.

12208871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12208871 is an equidigital number, since it uses as much as digits as its factorization.

12208871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 12208871 is about 3494.1194885121. The cubic root of 12208871 is about 230.2635353534.

The spelling of 12208871 in words is "twelve million, two hundred eight thousand, eight hundred seventy-one".