13313147 has 2 divisors, whose sum is σ = 13313148. Its totient is φ = 13313146.

The previous prime is 13313143. The next prime is 13313161. The reversal of 13313147 is 74131331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13313147 - 2² = 13313143 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13313141) 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, 6656573 + 6656574.

It is an arithmetic number, because the mean of its divisors is an integer number (6656574).

Almost surely, 2^13313147 is an apocalyptic number.

13313147 is a deficient number, since it is larger than the sum of its proper divisors (1).

13313147 is an equidigital number, since it uses as much as digits as its factorization.

13313147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 23.

The square root of 13313147 is about 3648.7185421734. The cubic root of 13313147 is about 237.0064921341.

Adding to 13313147 its reverse (74131331), we get a palindrome (87444478).

The spelling of 13313147 in words is "thirteen million, three hundred thirteen thousand, one hundred forty-seven".