13134647 has 4 divisors (see below), whose sum is σ = 13141920. Its totient is φ = 13127376.

The previous prime is 13134631. The next prime is 13134661. The reversal of 13134647 is 74643131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13134647 - 2⁴ = 13134631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13134697) 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 in 3 ways as a sum of consecutive naturals, for example, 1379 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (3285480).

Almost surely, 2^13134647 is an apocalyptic number.

13134647 is a deficient number, since it is larger than the sum of its proper divisors (7273).

13134647 is an equidigital number, since it uses as much as digits as its factorization.

13134647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272.

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

The square root of 13134647 is about 3624.1753544772. The cubic root of 13134647 is about 235.9424773624.

Adding to 13134647 its reverse (74643131), we get a palindrome (87777778).

The spelling of 13134647 in words is "thirteen million, one hundred thirty-four thousand, six hundred forty-seven".