13489798 has 24 divisors (see below), whose sum is σ = 23700600. Its totient is φ = 5741568.

The previous prime is 13489783. The next prime is 13489837. The reversal of 13489798 is 89798431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 17158 + ... + 17926.

It is an arithmetic number, because the mean of its divisors is an integer number (987525).

Almost surely, 2^13489798 is an apocalyptic number.

13489798 is a deficient number, since it is larger than the sum of its proper divisors (10210802).

13489798 is a wasteful number, since it uses less digits than its factorization.

13489798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 957 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 13489798 is about 3672.8460354336. The cubic root of 13489798 is about 238.0501624371.

The spelling of 13489798 in words is "thirteen million, four hundred eighty-nine thousand, seven hundred ninety-eight".