12262729 has 4 divisors (see below), whose sum is σ = 12984084. Its totient is φ = 11541376.

The previous prime is 12262727. The next prime is 12262741. The reversal of 12262729 is 92726221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7209225 + 5053504 = 2685^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 12262729 - 2¹ = 12262727 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12262729.

It is not an unprimeable number, because it can be changed into a prime (12262727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360652 + ... + 360685.

It is an arithmetic number, because the mean of its divisors is an integer number (3246021).

Almost surely, 2^12262729 is an apocalyptic number.

It is an amenable number.

12262729 is a deficient number, since it is larger than the sum of its proper divisors (721355).

12262729 is an equidigital number, since it uses as much as digits as its factorization.

12262729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721354.

The product of its digits is 6048, while the sum is 31.

The square root of 12262729 is about 3501.8179564335. The cubic root of 12262729 is about 230.6016321924.

The spelling of 12262729 in words is "twelve million, two hundred sixty-two thousand, seven hundred twenty-nine".