11580030 has 128 divisors (see below), whose sum is σ = 38568960. Its totient is φ = 2401920.

The previous prime is 11580013. The next prime is 11580031. The reversal of 11580030 is 3008511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11579985 and 11580012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11580031) 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 63 ways as a sum of consecutive naturals, for example, 20512 + ... + 21068.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

Almost surely, 2^11580030 is an apocalyptic number.

11580030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11580030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19284480).

11580030 is an abundant number, since it is smaller than the sum of its proper divisors (26988930).

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

11580030 is a wasteful number, since it uses less digits than its factorization.

11580030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11580030 is about 3402.9443133851. The cubic root of 11580030 is about 226.2402618846.

Adding to 11580030 its reverse (3008511), we get a palindrome (14588541).

The spelling of 11580030 in words is "eleven million, five hundred eighty thousand, thirty".