13103443 has 2 divisors, whose sum is σ = 13103444. Its totient is φ = 13103442.

The previous prime is 13103423. The next prime is 13103509. The reversal of 13103443 is 34430131.

It is a weak prime.

It is an emirp because it is prime and its reverse (34430131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13103443 - 2¹⁷ = 12972371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13103443.

It is not a weakly prime, because it can be changed into another prime (13103423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551721 + 6551722.

It is an arithmetic number, because the mean of its divisors is an integer number (6551722).

Almost surely, 2^13103443 is an apocalyptic number.

13103443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103443 is an equidigital number, since it uses as much as digits as its factorization.

13103443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13103443 is about 3619.8678152662. The cubic root of 13103443 is about 235.7554862434.

Adding to 13103443 its reverse (34430131), we get a palindrome (47533574).

It can be divided in two parts, 1310 and 3443, that added together give a triangular number (4753 = T₉₇).

The spelling of 13103443 in words is "thirteen million, one hundred three thousand, four hundred forty-three".