13244305 has 4 divisors (see below), whose sum is σ = 15893172. Its totient is φ = 10595440.

The previous prime is 13244293. The next prime is 13244321. The reversal of 13244305 is 50344231.

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 1731856 + 11512449 = 1316^2 + 3393^2 .

It is not a de Polignac number, because 13244305 - 2⁹ = 13243793 is a prime.

It is a super-2 number, since 2×13244305² = 350823229866050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324426 + ... + 1324435.

It is an arithmetic number, because the mean of its divisors is an integer number (3973293).

Almost surely, 2^13244305 is an apocalyptic number.

It is an amenable number.

13244305 is a deficient number, since it is larger than the sum of its proper divisors (2648867).

13244305 is an equidigital number, since it uses as much as digits as its factorization.

13244305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648866.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13244305 is about 3639.2725921535. The cubic root of 13244305 is about 236.5972674473.

Adding to 13244305 its reverse (50344231), we get a palindrome (63588536).

The spelling of 13244305 in words is "thirteen million, two hundred forty-four thousand, three hundred five".