13786841 has 2 divisors, whose sum is σ = 13786842. Its totient is φ = 13786840.

The previous prime is 13786831. The next prime is 13786873. The reversal of 13786841 is 14868731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 855625 = 3596^2 + 925^2 .

It is an emirp because it is prime and its reverse (14868731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13786841 - 2⁶ = 13786777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13786795 and 13786804.

It is not a weakly prime, because it can be changed into another prime (13786811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893420 + 6893421.

It is an arithmetic number, because the mean of its divisors is an integer number (6893421).

Almost surely, 2^13786841 is an apocalyptic number.

It is an amenable number.

13786841 is a deficient number, since it is larger than the sum of its proper divisors (1).

13786841 is an equidigital number, since it uses as much as digits as its factorization.

13786841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 13786841 is about 3713.0635599192. The cubic root of 13786841 is about 239.7847665257.

The spelling of 13786841 in words is "thirteen million, seven hundred eighty-six thousand, eight hundred forty-one".