12694169 has 2 divisors, whose sum is σ = 12694170. Its totient is φ = 12694168.

The previous prime is 12694111. The next prime is 12694207. The reversal of 12694169 is 96149621.

It is an a-pointer prime, because the next prime (12694207) can be obtained adding 12694169 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10004569 + 2689600 = 3163^2 + 1640^2 .

It is an emirp because it is prime and its reverse (96149621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12694169 - 2⁸ = 12693913 is a prime.

It is a super-2 number, since 2×12694169² = 322283853201122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12694369) 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, 6347084 + 6347085.

It is an arithmetic number, because the mean of its divisors is an integer number (6347085).

Almost surely, 2^12694169 is an apocalyptic number.

It is an amenable number.

12694169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12694169 is an equidigital number, since it uses as much as digits as its factorization.

12694169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 12694169 is about 3562.8877332860. The cubic root of 12694169 is about 233.2749429857.

The spelling of 12694169 in words is "twelve million, six hundred ninety-four thousand, one hundred sixty-nine".