13159847 has 4 divisors (see below), whose sum is σ = 13408200. Its totient is φ = 12911496.

The previous prime is 13159831. The next prime is 13159879. The reversal of 13159847 is 74895131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13159847 - 2⁴ = 13159831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13159847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13159147) 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 3 ways as a sum of consecutive naturals, for example, 124097 + ... + 124202.

It is an arithmetic number, because the mean of its divisors is an integer number (3352050).

Almost surely, 2^13159847 is an apocalyptic number.

13159847 is a deficient number, since it is larger than the sum of its proper divisors (248353).

13159847 is an equidigital number, since it uses as much as digits as its factorization.

13159847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248352.

The product of its digits is 30240, while the sum is 38.

The square root of 13159847 is about 3627.6503414745. The cubic root of 13159847 is about 236.0932732432.

The spelling of 13159847 in words is "thirteen million, one hundred fifty-nine thousand, eight hundred forty-seven".