13379647 has 4 divisors (see below), whose sum is σ = 13457160. Its totient is φ = 13302136.

The previous prime is 13379633. The next prime is 13379651. The reversal of 13379647 is 74697331.

13379647 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, and also an emirpimes, since its reverse is a distinct semiprime: 74697331 = 443 ⋅168617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13379647 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13379627) 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, 38497 + ... + 38842.

It is an arithmetic number, because the mean of its divisors is an integer number (3364290).

Almost surely, 2^13379647 is an apocalyptic number.

13379647 is a deficient number, since it is larger than the sum of its proper divisors (77513).

13379647 is an equidigital number, since it uses as much as digits as its factorization.

13379647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77512.

The product of its digits is 95256, while the sum is 40.

The square root of 13379647 is about 3657.8199791679. The cubic root of 13379647 is about 237.4004576387.

The spelling of 13379647 in words is "thirteen million, three hundred seventy-nine thousand, six hundred forty-seven".