13297547 has 2 divisors, whose sum is σ = 13297548. Its totient is φ = 13297546.

The previous prime is 13297523. The next prime is 13297567. The reversal of 13297547 is 74579231.

It is a strong prime.

It is an emirp because it is prime and its reverse (74579231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13297547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13297547.

It is not a weakly prime, because it can be changed into another prime (13297567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6648773 + 6648774.

It is an arithmetic number, because the mean of its divisors is an integer number (6648774).

Almost surely, 2^13297547 is an apocalyptic number.

13297547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13297547 is an equidigital number, since it uses as much as digits as its factorization.

13297547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 13297547 is about 3646.5801787428. The cubic root of 13297547 is about 236.9138832677.

It can be divided in two parts, 132 and 97547, that added together give a palindrome (97679).

The spelling of 13297547 in words is "thirteen million, two hundred ninety-seven thousand, five hundred forty-seven".