13686941 has 2 divisors, whose sum is σ = 13686942. Its totient is φ = 13686940.

The previous prime is 13686931. The next prime is 13686971. The reversal of 13686941 is 14968631.

13686941 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 can be written as a sum of positive squares in only one way, i.e., 12355225 + 1331716 = 3515^2 + 1154^2 .

It is a cyclic number.

It is not a de Polignac number, because 13686941 - 2¹⁸ = 13424797 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13686895 and 13686904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13686901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6843470 + 6843471.

It is an arithmetic number, because the mean of its divisors is an integer number (6843471).

Almost surely, 2^13686941 is an apocalyptic number.

It is an amenable number.

13686941 is a deficient number, since it is larger than the sum of its proper divisors (1).

13686941 is an equidigital number, since it uses as much as digits as its factorization.

13686941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 13686941 is about 3699.5865985269. The cubic root of 13686941 is about 239.2041986582.

The spelling of 13686941 in words is "thirteen million, six hundred eighty-six thousand, nine hundred forty-one".