12204169 has 2 divisors, whose sum is σ = 12204170. Its totient is φ = 12204168.

The previous prime is 12204167. The next prime is 12204197. The reversal of 12204169 is 96140221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 38025 = 3488^2 + 195^2 .

It is an emirp because it is prime and its reverse (96140221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12204169 - 2¹ = 12204167 is a prime.

It is a super-2 number, since 2×12204169² = 297883481961122, which contains 22 as substring.

Together with 12204167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12204167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102084 + 6102085.

It is an arithmetic number, because the mean of its divisors is an integer number (6102085).

Almost surely, 2^12204169 is an apocalyptic number.

It is an amenable number.

12204169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204169 is an equidigital number, since it uses as much as digits as its factorization.

12204169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12204169 is about 3493.4465789532. The cubic root of 12204169 is about 230.2339711083.

The spelling of 12204169 in words is "twelve million, two hundred four thousand, one hundred sixty-nine".