13116533 has 2 divisors, whose sum is σ = 13116534. Its totient is φ = 13116532.

The previous prime is 13116529. The next prime is 13116541. The reversal of 13116533 is 33561131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 142129 = 3602^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 13116533 - 2² = 13116529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13116499 and 13116508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13116563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6558266 + 6558267.

It is an arithmetic number, because the mean of its divisors is an integer number (6558267).

Almost surely, 2^13116533 is an apocalyptic number.

It is an amenable number.

13116533 is a deficient number, since it is larger than the sum of its proper divisors (1).

13116533 is an equidigital number, since it uses as much as digits as its factorization.

13116533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 23.

The square root of 13116533 is about 3621.6754410079. The cubic root of 13116533 is about 235.8339646571.

Adding to 13116533 its reverse (33561131), we get a palindrome (46677664).

The spelling of 13116533 in words is "thirteen million, one hundred sixteen thousand, five hundred thirty-three".