13647134 has 4 divisors (see below), whose sum is σ = 20470704. Its totient is φ = 6823566.

The previous prime is 13647133. The next prime is 13647143. The reversal of 13647134 is 43174631.

13647134 is digitally balanced in base 2, 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.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13647097 and 13647106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13647133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3411782 + ... + 3411785.

It is an arithmetic number, because the mean of its divisors is an integer number (5117676).

Almost surely, 2^13647134 is an apocalyptic number.

13647134 is a deficient number, since it is larger than the sum of its proper divisors (6823570).

13647134 is an equidigital number, since it uses as much as digits as its factorization.

13647134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823569.

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

The square root of 13647134 is about 3694.2027556700. The cubic root of 13647134 is about 238.9720735564.

The spelling of 13647134 in words is "thirteen million, six hundred forty-seven thousand, one hundred thirty-four".