11845830 has 16 divisors (see below), whose sum is σ = 28430064. Its totient is φ = 3158880.

The previous prime is 11845819. The next prime is 11845831. The reversal of 11845830 is 3854811.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 394861 = 11845830 / (1 + 1 + 8 + 4 + 5 + 8 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11845831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197401 + ... + 197460.

It is an arithmetic number, because the mean of its divisors is an integer number (1776879).

Almost surely, 2^11845830 is an apocalyptic number.

11845830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11845830 is an abundant number, since it is smaller than the sum of its proper divisors (16584234).

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

11845830 is a wasteful number, since it uses less digits than its factorization.

11845830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394871.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 11845830 is about 3441.7771572256. Note that the first 3 decimals coincide. The cubic root of 11845830 is about 227.9581717666.

The spelling of 11845830 in words is "eleven million, eight hundred forty-five thousand, eight hundred thirty".