13489984 has 56 divisors (see below), whose sum is σ = 28227528. Its totient is φ = 6389760.

The previous prime is 13489963. The next prime is 13490023. The reversal of 13489984 is 48998431.

13489984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 529984 + 12960000 = 728^2 + 3600^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139024 + ... + 139120.

It is an arithmetic number, because the mean of its divisors is an integer number (504063).

Almost surely, 2^13489984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13489984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14113764).

13489984 is an abundant number, since it is smaller than the sum of its proper divisors (14737544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13489984 is an equidigital number, since it uses as much as digits as its factorization.

13489984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 193 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 13489984 is about 3672.8713563097. The cubic root of 13489984 is about 238.0512565263.

The spelling of 13489984 in words is "thirteen million, four hundred eighty-nine thousand, nine hundred eighty-four".