11344520 has 128 divisors (see below), whose sum is σ = 31104000. Its totient is φ = 3674880.

The previous prime is 11344519. The next prime is 11344547. The reversal of 11344520 is 2544311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11344492 and 11344501.

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, 192251 + ... + 192309.

It is an arithmetic number, because the mean of its divisors is an integer number (243000).

Almost surely, 2^11344520 is an apocalyptic number.

11344520 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 11344520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15552000).

11344520 is an abundant number, since it is smaller than the sum of its proper divisors (19759480).

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

11344520 is a wasteful number, since it uses less digits than its factorization.

11344520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 11344520 is about 3368.1627039085. The cubic root of 11344520 is about 224.6960174779.

Adding to 11344520 its reverse (2544311), we get a palindrome (13888831).

The spelling of 11344520 in words is "eleven million, three hundred forty-four thousand, five hundred twenty".