13443113 has 2 divisors, whose sum is σ = 13443114. Its totient is φ = 13443112.

The previous prime is 13443103. The next prime is 13443137. The reversal of 13443113 is 31134431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12759184 + 683929 = 3572^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 13443113 - 2⁴ = 13443097 is a prime.

It is not a weakly prime, because it can be changed into another prime (13443103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721556 + 6721557.

It is an arithmetic number, because the mean of its divisors is an integer number (6721557).

Almost surely, 2^13443113 is an apocalyptic number.

It is an amenable number.

13443113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13443113 is an equidigital number, since it uses as much as digits as its factorization.

13443113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 13443113 is about 3666.4851015653. The cubic root of 13443113 is about 237.7752332699.

Adding to 13443113 its reverse (31134431), we get a palindrome (44577544).

The spelling of 13443113 in words is "thirteen million, four hundred forty-three thousand, one hundred thirteen".