13044247 has 2 divisors, whose sum is σ = 13044248. Its totient is φ = 13044246.

The previous prime is 13044223. The next prime is 13044293. The reversal of 13044247 is 74244031.

13044247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13044247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13044217) 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, 6522123 + 6522124.

It is an arithmetic number, because the mean of its divisors is an integer number (6522124).

Almost surely, 2^13044247 is an apocalyptic number.

13044247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13044247 is an equidigital number, since it uses as much as digits as its factorization.

13044247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 13044247 is about 3611.6820181184. The cubic root of 13044247 is about 235.3999346485.

Adding to 13044247 its reverse (74244031), we get a palindrome (87288278).

The spelling of 13044247 in words is "thirteen million, forty-four thousand, two hundred forty-seven".