13561027 has 2 divisors, whose sum is σ = 13561028. Its totient is φ = 13561026.

The previous prime is 13561021. The next prime is 13561049. The reversal of 13561027 is 72016531.

It is a weak prime.

It is an emirp because it is prime and its reverse (72016531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13561027 - 2¹⁵ = 13528259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13560992 and 13561010.

It is not a weakly prime, because it can be changed into another prime (13561021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6780513 + 6780514.

It is an arithmetic number, because the mean of its divisors is an integer number (6780514).

Almost surely, 2^13561027 is an apocalyptic number.

13561027 is a deficient number, since it is larger than the sum of its proper divisors (1).

13561027 is an equidigital number, since it uses as much as digits as its factorization.

13561027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 13561027 is about 3682.5299727226. The cubic root of 13561027 is about 238.4684122969.

Adding to 13561027 its reverse (72016531), we get a palindrome (85577558).

The spelling of 13561027 in words is "thirteen million, five hundred sixty-one thousand, twenty-seven".