12699469 has 2 divisors, whose sum is σ = 12699470. Its totient is φ = 12699468.

The previous prime is 12699461. The next prime is 12699497. The reversal of 12699469 is 96499621.

12699469 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., 11985444 + 714025 = 3462^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 12699469 - 2³ = 12699461 is a prime.

It is a super-2 number, since 2×12699469² = 322553025763922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12699461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6349734 + 6349735.

It is an arithmetic number, because the mean of its divisors is an integer number (6349735).

Almost surely, 2^12699469 is an apocalyptic number.

It is an amenable number.

12699469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12699469 is an equidigital number, since it uses as much as digits as its factorization.

12699469 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 12699469 is about 3563.6314343658. The cubic root of 12699469 is about 233.3074036946.

The spelling of 12699469 in words is "twelve million, six hundred ninety-nine thousand, four hundred sixty-nine".