13112443 has 2 divisors, whose sum is σ = 13112444. Its totient is φ = 13112442.

The previous prime is 13112431. The next prime is 13112471. The reversal of 13112443 is 34421131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13112443 - 2¹³ = 13104251 is a prime.

It is a super-2 number, since 2×13112443² = 343872322856498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13112443.

It is not a weakly prime, because it can be changed into another prime (13112243) 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, 6556221 + 6556222.

It is an arithmetic number, because the mean of its divisors is an integer number (6556222).

Almost surely, 2^13112443 is an apocalyptic number.

13112443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112443 is an equidigital number, since it uses as much as digits as its factorization.

13112443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 13112443 is about 3621.1107411953. The cubic root of 13112443 is about 235.8094495104.

Adding to 13112443 its reverse (34421131), we get a palindrome (47533574).

The spelling of 13112443 in words is "thirteen million, one hundred twelve thousand, four hundred forty-three".