13489960 has 128 divisors (see below), whose sum is σ = 36495360. Its totient is φ = 4435200.

The previous prime is 13489921. The next prime is 13489963. The reversal of 13489960 is 6998431.

13489960 = T₂₂₁ + T₂₂₂ + ... + T₄₅₀.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (13489963) 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 31 ways as a sum of consecutive naturals, for example, 313699 + ... + 313741.

It is an arithmetic number, because the mean of its divisors is an integer number (285120).

It is a vampire number, since it can be written as 1364 ⋅ 9890 (with its own digits).

Almost surely, 2^13489960 is an apocalyptic number.

13489960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13489960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18247680).

13489960 is an abundant number, since it is smaller than the sum of its proper divisors (23005400).

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

13489960 is a wasteful number, since it uses less digits than its factorization.

13489960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 13489960 is about 3672.8680891097. The cubic root of 13489960 is about 238.0511153540.

The spelling of 13489960 in words is "thirteen million, four hundred eighty-nine thousand, nine hundred sixty".