13244281 has 2 divisors, whose sum is σ = 13244282. Its totient is φ = 13244280.

The previous prime is 13244243. The next prime is 13244291. The reversal of 13244281 is 18244231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12538681 + 705600 = 3541^2 + 840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13244281 is a prime.

It is a super-2 number, since 2×13244281² = 350821958413922, which contains 22 as substring.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622140 + 6622141.

It is an arithmetic number, because the mean of its divisors is an integer number (6622141).

Almost surely, 2^13244281 is an apocalyptic number.

It is an amenable number.

13244281 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244281 is an equidigital number, since it uses as much as digits as its factorization.

13244281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 25.

The square root of 13244281 is about 3639.2692947898. The cubic root of 13244281 is about 236.5971245346.

The spelling of 13244281 in words is "thirteen million, two hundred forty-four thousand, two hundred eighty-one".