13044613 has 2 divisors, whose sum is σ = 13044614. Its totient is φ = 13044612.

The previous prime is 13044571. The next prime is 13044623. The reversal of 13044613 is 31644031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11682724 + 1361889 = 3418^2 + 1167^2 .

It is an emirp because it is prime and its reverse (31644031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13044613 - 2¹⁷ = 12913541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13044623) 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, 6522306 + 6522307.

It is an arithmetic number, because the mean of its divisors is an integer number (6522307).

Almost surely, 2^13044613 is an apocalyptic number.

It is an amenable number.

13044613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13044613 is an equidigital number, since it uses as much as digits as its factorization.

13044613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 13044613 is about 3611.7326866755. The cubic root of 13044613 is about 235.4021362722.

Adding to 13044613 its reverse (31644031), we get a palindrome (44688644).

The spelling of 13044613 in words is "thirteen million, forty-four thousand, six hundred thirteen".