11578830 has 32 divisors (see below), whose sum is σ = 28749600. Its totient is φ = 2980992.

The previous prime is 11578823. The next prime is 11578849. The reversal of 11578830 is 3887511.

It is a junction number, because it is equal to n+sod(n) for n = 11578791 and 11578800.

It is a congruent number.

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, 5785 + ... + 7524.

It is an arithmetic number, because the mean of its divisors is an integer number (898425).

Almost surely, 2^11578830 is an apocalyptic number.

11578830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11578830 is an abundant number, since it is smaller than the sum of its proper divisors (17170770).

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

11578830 is a wasteful number, since it uses less digits than its factorization.

11578830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 11578830 is about 3402.7679909156. The cubic root of 11578830 is about 226.2324467727.

The spelling of 11578830 in words is "eleven million, five hundred seventy-eight thousand, eight hundred thirty".