13560839 has 2 divisors, whose sum is σ = 13560840. Its totient is φ = 13560838.

The previous prime is 13560803. The next prime is 13560847. The reversal of 13560839 is 93806531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13560839 - 2⁸ = 13560583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13560799 and 13560808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13560439) 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, 6780419 + 6780420.

It is an arithmetic number, because the mean of its divisors is an integer number (6780420).

Almost surely, 2^13560839 is an apocalyptic number.

13560839 is a deficient number, since it is larger than the sum of its proper divisors (1).

13560839 is an equidigital number, since it uses as much as digits as its factorization.

13560839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 13560839 is about 3682.5044467047. The cubic root of 13560839 is about 238.4673103088.

The spelling of 13560839 in words is "thirteen million, five hundred sixty thousand, eight hundred thirty-nine".