13560047 has 2 divisors, whose sum is σ = 13560048. Its totient is φ = 13560046.

The previous prime is 13560037. The next prime is 13560049. The reversal of 13560047 is 74006531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13560047 - 2⁴ = 13560031 is a prime.

Together with 13560049, 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 = 13559998 and 13560025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13560049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6780023 + 6780024.

It is an arithmetic number, because the mean of its divisors is an integer number (6780024).

Almost surely, 2^13560047 is an apocalyptic number.

13560047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13560047 is an equidigital number, since it uses as much as digits as its factorization.

13560047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 13560047 is about 3682.3969096229. The cubic root of 13560047 is about 238.4626677793.

Adding to 13560047 its reverse (74006531), we get a palindrome (87566578).

The spelling of 13560047 in words is "thirteen million, five hundred sixty thousand, forty-seven".