11130340 has 72 divisors (see below), whose sum is σ = 26286120. Its totient is φ = 3953664.

The previous prime is 11130337. The next prime is 11130347. The reversal of 11130340 is 4303111.

It can be written as a sum of positive squares in 12 ways, for example, as 5645376 + 5484964 = 2376^2 + 2342^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11130340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130347) 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 23 ways as a sum of consecutive naturals, for example, 125016 + ... + 125104.

It is an arithmetic number, because the mean of its divisors is an integer number (365085).

Almost surely, 2^11130340 is an apocalyptic number.

11130340 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 11130340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13143060).

11130340 is an abundant number, since it is smaller than the sum of its proper divisors (15155780).

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

11130340 is a wasteful number, since it uses less digits than its factorization.

11130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11130340 is about 3336.2164198385. The cubic root of 11130340 is about 223.2729670266.

Adding to 11130340 its reverse (4303111), we get a palindrome (15433451).

The spelling of 11130340 in words is "eleven million, one hundred thirty thousand, three hundred forty".