13330240 has 112 divisors (see below), whose sum is σ = 39648384. Its totient is φ = 4147200.

The previous prime is 13330231. The next prime is 13330241. The reversal of 13330240 is 4203331.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13330241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24370 + ... + 24910.

Almost surely, 2^13330240 is an apocalyptic number.

13330240 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 13330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19824192).

13330240 is an abundant number, since it is smaller than the sum of its proper divisors (26318144).

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

13330240 is a wasteful number, since it uses less digits than its factorization.

13330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13330240 is about 3651.0601200199. The cubic root of 13330240 is about 237.1078811200.

Adding to 13330240 its reverse (4203331), we get a palindrome (17533571).

The spelling of 13330240 in words is "thirteen million, three hundred thirty thousand, two hundred forty".