13671347 has 2 divisors, whose sum is σ = 13671348. Its totient is φ = 13671346.

The previous prime is 13671319. The next prime is 13671353. The reversal of 13671347 is 74317631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13671347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13671947) 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, 6835673 + 6835674.

It is an arithmetic number, because the mean of its divisors is an integer number (6835674).

Almost surely, 2^13671347 is an apocalyptic number.

13671347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13671347 is an equidigital number, since it uses as much as digits as its factorization.

13671347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 32.

The square root of 13671347 is about 3697.4784651165. The cubic root of 13671347 is about 239.1133196274.

Adding to 13671347 its reverse (74317631), we get a palindrome (87988978).

The spelling of 13671347 in words is "thirteen million, six hundred seventy-one thousand, three hundred forty-seven".