13125347 has 2 divisors, whose sum is σ = 13125348. Its totient is φ = 13125346.

The previous prime is 13125319. The next prime is 13125349. The reversal of 13125347 is 74352131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13125347 is a prime.

Together with 13125349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13125349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562673 + 6562674.

It is an arithmetic number, because the mean of its divisors is an integer number (6562674).

Almost surely, 2^13125347 is an apocalyptic number.

13125347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13125347 is an equidigital number, since it uses as much as digits as its factorization.

13125347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 13125347 is about 3622.8920767806. The cubic root of 13125347 is about 235.8867777782.

Adding to 13125347 its reverse (74352131), we get a palindrome (87477478).

The spelling of 13125347 in words is "thirteen million, one hundred twenty-five thousand, three hundred forty-seven".