12735269 has 2 divisors, whose sum is σ = 12735270. Its totient is φ = 12735268.

The previous prime is 12735259. The next prime is 12735299. The reversal of 12735269 is 96253721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7491169 + 5244100 = 2737^2 + 2290^2 .

It is a cyclic number.

It is not a de Polignac number, because 12735269 - 2²⁰ = 11686693 is a prime.

It is a super-2 number, since 2×12735269² = 324374153004722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12735259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6367634 + 6367635.

It is an arithmetic number, because the mean of its divisors is an integer number (6367635).

Almost surely, 2^12735269 is an apocalyptic number.

It is an amenable number.

12735269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12735269 is an equidigital number, since it uses as much as digits as its factorization.

12735269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 12735269 is about 3568.6508655233. The cubic root of 12735269 is about 233.5264304062.

The spelling of 12735269 in words is "twelve million, seven hundred thirty-five thousand, two hundred sixty-nine".