12386669 has 2 divisors, whose sum is σ = 12386670. Its totient is φ = 12386668.

The previous prime is 12386663. The next prime is 12386687. The reversal of 12386669 is 96668321.

12386669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6325225 + 6061444 = 2515^2 + 2462^2 .

It is an emirp because it is prime and its reverse (96668321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12386669 is a prime.

It is a super-2 number, since 2×12386669² = 306859137831122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12386663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6193334 + 6193335.

It is an arithmetic number, because the mean of its divisors is an integer number (6193335).

Almost surely, 2^12386669 is an apocalyptic number.

It is an amenable number.

12386669 is a deficient number, since it is larger than the sum of its proper divisors (1).

12386669 is an equidigital number, since it uses as much as digits as its factorization.

12386669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 12386669 is about 3519.4699885068. The cubic root of 12386669 is about 231.3759300473.

The spelling of 12386669 in words is "twelve million, three hundred eighty-six thousand, six hundred sixty-nine".