11530830 has 32 divisors (see below), whose sum is σ = 28132128. Its totient is φ = 3024000.

The previous prime is 11530829. The next prime is 11530873. The reversal of 11530830 is 3803511.

11530830 = T₁₀₈ + T₁₀₉ + ... + T₄₁₂.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11530797 and 11530806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (879129).

Almost surely, 2^11530830 is an apocalyptic number.

11530830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11530830 is an abundant number, since it is smaller than the sum of its proper divisors (16601298).

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

11530830 is a wasteful number, since it uses less digits than its factorization.

11530830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6372.

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

The square root of 11530830 is about 3395.7075845838. The cubic root of 11530830 is about 225.9193985161.

The spelling of 11530830 in words is "eleven million, five hundred thirty thousand, eight hundred thirty".