13611043 has 2 divisors, whose sum is σ = 13611044. Its totient is φ = 13611042.

The previous prime is 13611041. The next prime is 13611047. The reversal of 13611043 is 34011631.

13611043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (34011631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13611043 - 2¹ = 13611041 is a prime.

Together with 13611041, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13611043.

It is not a weakly prime, because it can be changed into another prime (13611041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6805521 + 6805522.

It is an arithmetic number, because the mean of its divisors is an integer number (6805522).

Almost surely, 2^13611043 is an apocalyptic number.

13611043 is a deficient number, since it is larger than the sum of its proper divisors (1).

13611043 is an equidigital number, since it uses as much as digits as its factorization.

13611043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13611043 is about 3689.3147060125. The cubic root of 13611043 is about 238.7612269603.

Adding to 13611043 its reverse (34011631), we get a palindrome (47622674).

The spelling of 13611043 in words is "thirteen million, six hundred eleven thousand, forty-three".