13611041 has 2 divisors, whose sum is σ = 13611042. Its totient is φ = 13611040.

The previous prime is 13611023. The next prime is 13611043. The reversal of 13611041 is 14011631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11662225 + 1948816 = 3415^2 + 1396^2 .

It is an emirp because it is prime and its reverse (14011631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13611041 is a prime.

Together with 13611043, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13611043) 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, 6805520 + 6805521.

It is an arithmetic number, because the mean of its divisors is an integer number (6805521).

Almost surely, 2^13611041 is an apocalyptic number.

It is an amenable number.

13611041 is a deficient number, since it is larger than the sum of its proper divisors (1).

13611041 is an equidigital number, since it uses as much as digits as its factorization.

13611041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 13611041 is about 3689.3144349594. The cubic root of 13611041 is about 238.7612152659.

Adding to 13611041 its reverse (14011631), we get a palindrome (27622672).

The spelling of 13611041 in words is "thirteen million, six hundred eleven thousand, forty-one".