11572830 has 48 divisors (see below), whose sum is σ = 30326400. Its totient is φ = 3061824.

The previous prime is 11572819. The next prime is 11572831. The reversal of 11572830 is 3827511.

11572830 is a `hidden beast` number, since 11 + 572 + 83 + 0 = 666.

11572830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11572794 and 11572803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12979 + ... + 13841.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^11572830 is an apocalyptic number.

11572830 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 11572830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15163200).

11572830 is an abundant number, since it is smaller than the sum of its proper divisors (18753570).

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

11572830 is a wasteful number, since it uses less digits than its factorization.

11572830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 11572830 is about 3401.8862414843. The cubic root of 11572830 is about 226.1933631114.

The spelling of 11572830 in words is "eleven million, five hundred seventy-two thousand, eight hundred thirty".