13394647 has 8 divisors (see below), whose sum is σ = 15524352. Its totient is φ = 11319000.

The previous prime is 13394617. The next prime is 13394651. The reversal of 13394647 is 74649331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13394647 - 2¹⁵ = 13361879 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 (13394617) 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 7 ways as a sum of consecutive naturals, for example, 12979 + ... + 13972.

It is an arithmetic number, because the mean of its divisors is an integer number (1940544).

Almost surely, 2^13394647 is an apocalyptic number.

13394647 is a deficient number, since it is larger than the sum of its proper divisors (2129705).

13394647 is an equidigital number, since it uses as much as digits as its factorization.

13394647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27029.

The product of its digits is 54432, while the sum is 37.

The square root of 13394647 is about 3659.8698064275. The cubic root of 13394647 is about 237.4891415165.

It can be divided in two parts, 13394 and 647, that added together give a palindrome (14041).

The spelling of 13394647 in words is "thirteen million, three hundred ninety-four thousand, six hundred forty-seven".