13244293 has 2 divisors, whose sum is σ = 13244294. Its totient is φ = 13244292.

The previous prime is 13244291. The next prime is 13244321. The reversal of 13244293 is 39244231.

It is an a-pointer prime, because the next prime (13244321) can be obtained adding 13244293 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13082689 + 161604 = 3617^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 13244293 - 2¹ = 13244291 is a prime.

It is a super-2 number, since 2×13244293² = 350822594139698, which contains 22 as substring.

Together with 13244291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13244291) by changing a digit.

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 as a sum of consecutive naturals, namely, 6622146 + 6622147.

It is an arithmetic number, because the mean of its divisors is an integer number (6622147).

Almost surely, 2^13244293 is an apocalyptic number.

It is an amenable number.

13244293 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244293 is an equidigital number, since it uses as much as digits as its factorization.

13244293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 13244293 is about 3639.2709434721. The cubic root of 13244293 is about 236.5971959909.

The spelling of 13244293 in words is "thirteen million, two hundred forty-four thousand, two hundred ninety-three".