12669289 has 2 divisors, whose sum is σ = 12669290. Its totient is φ = 12669288.

The previous prime is 12669263. The next prime is 12669313. The reversal of 12669289 is 98296621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8363664 + 4305625 = 2892^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 12669289 - 2⁷ = 12669161 is a prime.

It is not a weakly prime, because it can be changed into another prime (12669229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6334644 + 6334645.

It is an arithmetic number, because the mean of its divisors is an integer number (6334645).

Almost surely, 2^12669289 is an apocalyptic number.

It is an amenable number.

12669289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12669289 is an equidigital number, since it uses as much as digits as its factorization.

12669289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 43.

The square root of 12669289 is about 3559.3944709740. The cubic root of 12669289 is about 233.1224405127.

The spelling of 12669289 in words is "twelve million, six hundred sixty-nine thousand, two hundred eighty-nine".