13608047 has 8 divisors (see below), whose sum is σ = 14818800. Its totient is φ = 12446784.

The previous prime is 13608031. The next prime is 13608059. The reversal of 13608047 is 74080631.

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

It is a cyclic number.

It is not a de Polignac number, because 13608047 - 2⁴ = 13608031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13608097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11798 + ... + 12899.

It is an arithmetic number, because the mean of its divisors is an integer number (1852350).

Almost surely, 2^13608047 is an apocalyptic number.

13608047 is a deficient number, since it is larger than the sum of its proper divisors (1210753).

13608047 is a wasteful number, since it uses less digits than its factorization.

13608047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24745.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 13608047 is about 3688.9086461988. The cubic root of 13608047 is about 238.7437073349.

Adding to 13608047 its reverse (74080631), we get a palindrome (87688678).

The spelling of 13608047 in words is "thirteen million, six hundred eight thousand, forty-seven".