11380530 has 32 divisors (see below), whose sum is σ = 31215744. Its totient is φ = 2601216.

The previous prime is 11380517. The next prime is 11380543. The reversal of 11380530 is 3508311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11380517) and next prime (11380543).

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

It is a junction number, because it is equal to n+sod(n) for n = 11380497 and 11380506.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26887 + ... + 27306.

It is an arithmetic number, because the mean of its divisors is an integer number (975492).

Almost surely, 2^11380530 is an apocalyptic number.

11380530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11380530 is an abundant number, since it is smaller than the sum of its proper divisors (19835214).

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

11380530 is a wasteful number, since it uses less digits than its factorization.

11380530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54210.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 11380530 is about 3373.5041129366. The cubic root of 11380530 is about 224.9335112183.

Adding to 11380530 its reverse (3508311), we get a palindrome (14888841).

The spelling of 11380530 in words is "eleven million, three hundred eighty thousand, five hundred thirty".