13686133 has 2 divisors, whose sum is σ = 13686134. Its totient is φ = 13686132.

The previous prime is 13686131. The next prime is 13686191. The reversal of 13686133 is 33168631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13010449 + 675684 = 3607^2 + 822^2 .

It is a cyclic number.

It is not a de Polignac number, because 13686133 - 2¹ = 13686131 is a prime.

Together with 13686131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13686095 and 13686104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13686131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6843066 + 6843067.

It is an arithmetic number, because the mean of its divisors is an integer number (6843067).

Almost surely, 2^13686133 is an apocalyptic number.

It is an amenable number.

13686133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13686133 is an equidigital number, since it uses as much as digits as its factorization.

13686133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 13686133 is about 3699.4773955249. The cubic root of 13686133 is about 239.1994914755.

The spelling of 13686133 in words is "thirteen million, six hundred eighty-six thousand, one hundred thirty-three".