13268647 has 4 divisors (see below), whose sum is σ = 15164176. Its totient is φ = 11373120.

The previous prime is 13268627. The next prime is 13268663. The reversal of 13268647 is 74686231.

13268647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74686231 = 1951 ⋅38281.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13268647 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 (13268627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947754 + ... + 947767.

It is an arithmetic number, because the mean of its divisors is an integer number (3791044).

Almost surely, 2^13268647 is an apocalyptic number.

13268647 is a deficient number, since it is larger than the sum of its proper divisors (1895529).

13268647 is an equidigital number, since it uses as much as digits as its factorization.

13268647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895528.

The product of its digits is 48384, while the sum is 37.

The square root of 13268647 is about 3642.6154065451. The cubic root of 13268647 is about 236.7421278465.

The spelling of 13268647 in words is "thirteen million, two hundred sixty-eight thousand, six hundred forty-seven".