11530484 has 36 divisors (see below), whose sum is σ = 23772420. Its totient is φ = 4878720.

The previous prime is 11530483. The next prime is 11530501. The reversal of 11530484 is 48403511.

It can be written as a sum of positive squares in 2 ways, for example, as 5664400 + 5866084 = 2380^2 + 2422^2 .

It is a super-2 number, since 2×11530484² = 265904122548512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17114 + ... + 17774.

It is an arithmetic number, because the mean of its divisors is an integer number (660345).

Almost surely, 2^11530484 is an apocalyptic number.

11530484 is a gapful number since it is divisible by the number (14) 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 11530484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11886210).

11530484 is an abundant number, since it is smaller than the sum of its proper divisors (12241936).

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

11530484 is a wasteful number, since it uses less digits than its factorization.

11530484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 11530484 is about 3395.6566375298. The cubic root of 11530484 is about 225.9171388091.

Adding to 11530484 its reverse (48403511), we get a palindrome (59933995).

The spelling of 11530484 in words is "eleven million, five hundred thirty thousand, four hundred eighty-four".