12936769 has 2 divisors, whose sum is σ = 12936770. Its totient is φ = 12936768.

The previous prime is 12936751. The next prime is 12936817. The reversal of 12936769 is 96763921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12673600 + 263169 = 3560^2 + 513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12936769 is a prime.

It is a super-3 number, since 3×12936769³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (12936709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468384 + 6468385.

It is an arithmetic number, because the mean of its divisors is an integer number (6468385).

Almost surely, 2^12936769 is an apocalyptic number.

It is an amenable number.

12936769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12936769 is an equidigital number, since it uses as much as digits as its factorization.

12936769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 12936769 is about 3596.7720250247. The cubic root of 12936769 is about 234.7516253139.

The spelling of 12936769 in words is "twelve million, nine hundred thirty-six thousand, seven hundred sixty-nine".