12735266 has 4 divisors (see below), whose sum is σ = 19102902. Its totient is φ = 6367632.

The previous prime is 12735259. The next prime is 12735269. The reversal of 12735266 is 66253721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66253721 = 71 ⋅933151.

It can be written as a sum of positive squares in only one way, i.e., 12285025 + 450241 = 3505^2 + 671^2 .

It is not an unprimeable number, because it can be changed into a prime (12735269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3183815 + ... + 3183818.

Almost surely, 2^12735266 is an apocalyptic number.

12735266 is a deficient number, since it is larger than the sum of its proper divisors (6367636).

12735266 is an equidigital number, since it uses as much as digits as its factorization.

12735266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367635.

The product of its digits is 15120, while the sum is 32.

The square root of 12735266 is about 3568.6504451963. The cubic root of 12735266 is about 233.5264120692.

Adding to 12735266 its reverse (66253721), we get a palindrome (78988987).

The spelling of 12735266 in words is "twelve million, seven hundred thirty-five thousand, two hundred sixty-six".