13044120 has 64 divisors (see below), whose sum is σ = 39709440. Its totient is φ = 3427200.

The previous prime is 13044103. The next prime is 13044121. The reversal of 13044120 is 2144031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13044120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7755 + ... + 9285.

It is an arithmetic number, because the mean of its divisors is an integer number (620460).

Almost surely, 2^13044120 is an apocalyptic number.

13044120 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 13044120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19854720).

13044120 is an abundant number, since it is smaller than the sum of its proper divisors (26665320).

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

13044120 is a wasteful number, since it uses less digits than its factorization.

13044120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 13044120 is about 3611.6644362399. The cubic root of 13044120 is about 235.3991706875.

Adding to 13044120 its reverse (2144031), we get a palindrome (15188151).

The spelling of 13044120 in words is "thirteen million, forty-four thousand, one hundred twenty".