12669313 has 2 divisors, whose sum is σ = 12669314. Its totient is φ = 12669312.

The previous prime is 12669289. The next prime is 12669323. The reversal of 12669313 is 31396621.

12669313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10575504 + 2093809 = 3252^2 + 1447^2 .

It is an emirp because it is prime and its reverse (31396621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12669313 - 2²¹ = 10572161 is a prime.

It is a super-2 number, since 2×12669313² = 321022983783938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12669323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6334656 + 6334657.

It is an arithmetic number, because the mean of its divisors is an integer number (6334657).

Almost surely, 2^12669313 is an apocalyptic number.

It is an amenable number.

12669313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12669313 is an equidigital number, since it uses as much as digits as its factorization.

12669313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 12669313 is about 3559.3978423323. The cubic root of 12669313 is about 233.1225877173.

The spelling of 12669313 in words is "twelve million, six hundred sixty-nine thousand, three hundred thirteen".