13147889 has 8 divisors (see below), whose sum is σ = 13342560. Its totient is φ = 12954816.

The previous prime is 13147861. The next prime is 13147949. The reversal of 13147889 is 98874131.

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 13147889 - 2²⁰ = 12099313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13147819) 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, 34502 + ... + 34880.

It is an arithmetic number, because the mean of its divisors is an integer number (1667820).

Almost surely, 2^13147889 is an apocalyptic number.

It is an amenable number.

13147889 is a deficient number, since it is larger than the sum of its proper divisors (194671).

13147889 is a wasteful number, since it uses less digits than its factorization.

13147889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

The product of its digits is 48384, while the sum is 41.

The square root of 13147889 is about 3626.0017926085. The cubic root of 13147889 is about 236.0217410307.

The spelling of 13147889 in words is "thirteen million, one hundred forty-seven thousand, eight hundred eighty-nine".