12697469 has 2 divisors, whose sum is σ = 12697470. Its totient is φ = 12697468.

The previous prime is 12697463. The next prime is 12697501. The reversal of 12697469 is 96479621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12694969 + 2500 = 3563^2 + 50^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12697469 is a prime.

It is a super-2 number, since 2×12697469² = 322451438011922, 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 (12697463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6348734 + 6348735.

It is an arithmetic number, because the mean of its divisors is an integer number (6348735).

Almost surely, 2^12697469 is an apocalyptic number.

It is an amenable number.

12697469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12697469 is an equidigital number, since it uses as much as digits as its factorization.

12697469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 12697469 is about 3563.3508106837. The cubic root of 12697469 is about 233.2951554317.

The spelling of 12697469 in words is "twelve million, six hundred ninety-seven thousand, four hundred sixty-nine".