13678241 has 2 divisors, whose sum is σ = 13678242. Its totient is φ = 13678240.

The previous prime is 13678219. The next prime is 13678243. The reversal of 13678241 is 14287631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13432225 + 246016 = 3665^2 + 496^2 .

It is an emirp because it is prime and its reverse (14287631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13678241 - 2⁶ = 13678177 is a prime.

Together with 13678243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13678198 and 13678207.

It is not a weakly prime, because it can be changed into another prime (13678243) 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, 6839120 + 6839121.

It is an arithmetic number, because the mean of its divisors is an integer number (6839121).

Almost surely, 2^13678241 is an apocalyptic number.

It is an amenable number.

13678241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13678241 is an equidigital number, since it uses as much as digits as its factorization.

13678241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 13678241 is about 3698.4106045706. The cubic root of 13678241 is about 239.1535051389.

The spelling of 13678241 in words is "thirteen million, six hundred seventy-eight thousand, two hundred forty-one".