12969469 has 2 divisors, whose sum is σ = 12969470. Its totient is φ = 12969468.

The previous prime is 12969449. The next prime is 12969491. The reversal of 12969469 is 96496921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6528025 + 6441444 = 2555^2 + 2538^2 .

It is a cyclic number.

It is not a de Polignac number, because 12969469 - 2¹¹ = 12967421 is a prime.

It is a super-2 number, since 2×12969469² = 336414252283922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12969449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6484734 + 6484735.

It is an arithmetic number, because the mean of its divisors is an integer number (6484735).

Almost surely, 2^12969469 is an apocalyptic number.

It is an amenable number.

12969469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12969469 is an equidigital number, since it uses as much as digits as its factorization.

12969469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 46.

The square root of 12969469 is about 3601.3148987557. The cubic root of 12969469 is about 234.9492511510.

The spelling of 12969469 in words is "twelve million, nine hundred sixty-nine thousand, four hundred sixty-nine".