11439120 has 160 divisors (see below), whose sum is σ = 44282880. Its totient is φ = 2373120.

The previous prime is 11439107. The next prime is 11439139. The reversal of 11439120 is 2193411.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18171 + ... + 18789.

It is an arithmetic number, because the mean of its divisors is an integer number (276768).

Almost surely, 2^11439120 is an apocalyptic number.

11439120 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 11439120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22141440).

11439120 is an abundant number, since it is smaller than the sum of its proper divisors (32843760).

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

11439120 is a wasteful number, since it uses less digits than its factorization.

11439120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 11439120 is about 3382.1768138286. The cubic root of 11439120 is about 225.3188565640.

It can be divided in two parts, 114391 and 20, that added together give a palindrome (114411).

The spelling of 11439120 in words is "eleven million, four hundred thirty-nine thousand, one hundred twenty".