13314647 has 2 divisors, whose sum is σ = 13314648. Its totient is φ = 13314646.

The previous prime is 13314643. The next prime is 13314659. The reversal of 13314647 is 74641331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13314647 - 2² = 13314643 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13314641) 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, 6657323 + 6657324.

It is an arithmetic number, because the mean of its divisors is an integer number (6657324).

Almost surely, 2^13314647 is an apocalyptic number.

13314647 is a deficient number, since it is larger than the sum of its proper divisors (1).

13314647 is an equidigital number, since it uses as much as digits as its factorization.

13314647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 13314647 is about 3648.9240880018. The cubic root of 13314647 is about 237.0153930194.

Adding to 13314647 its reverse (74641331), we get a palindrome (87955978).

The spelling of 13314647 in words is "thirteen million, three hundred fourteen thousand, six hundred forty-seven".