13272647 has 4 divisors (see below), whose sum is σ = 13280016. Its totient is φ = 13265280.

The previous prime is 13272617. The next prime is 13272673. The reversal of 13272647 is 74627231.

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 a de Polignac number, because none of the positive numbers 2^k-13272647 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 (13272617) 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 in 3 ways as a sum of consecutive naturals, for example, 1022 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (3320004).

Almost surely, 2^13272647 is an apocalyptic number.

13272647 is a deficient number, since it is larger than the sum of its proper divisors (7369).

13272647 is an equidigital number, since it uses as much as digits as its factorization.

13272647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7368.

The product of its digits is 14112, while the sum is 32.

The square root of 13272647 is about 3643.1644212141. The cubic root of 13272647 is about 236.7659150839.

Adding to 13272647 its reverse (74627231), we get a palindrome (87899878).

The spelling of 13272647 in words is "thirteen million, two hundred seventy-two thousand, six hundred forty-seven".