13335247 has 2 divisors, whose sum is σ = 13335248. Its totient is φ = 13335246.

The previous prime is 13335197. The next prime is 13335251. The reversal of 13335247 is 74253331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13335247 - 2¹⁵ = 13302479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13339247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6667623 + 6667624.

It is an arithmetic number, because the mean of its divisors is an integer number (6667624).

Almost surely, 2^13335247 is an apocalyptic number.

13335247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13335247 is an equidigital number, since it uses as much as digits as its factorization.

13335247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 28.

The square root of 13335247 is about 3651.7457468997. The cubic root of 13335247 is about 237.1375642702.

Adding to 13335247 its reverse (74253331), we get a palindrome (87588578).

The spelling of 13335247 in words is "thirteen million, three hundred thirty-five thousand, two hundred forty-seven".