11845530 has 24 divisors (see below), whose sum is σ = 30798612. Its totient is φ = 3158784.

The previous prime is 11845517. The next prime is 11845567. The reversal of 11845530 is 3554811.

It can be written as a sum of positive squares in 2 ways, for example, as 11269449 + 576081 = 3357^2 + 759^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11845494 and 11845503.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65719 + ... + 65898.

Almost surely, 2^11845530 is an apocalyptic number.

11845530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11845530 is an abundant number, since it is smaller than the sum of its proper divisors (18953082).

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

11845530 is a wasteful number, since it uses less digits than its factorization.

11845530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131630 (or 131627 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 11845530 is about 3441.7335748137. The cubic root of 11845530 is about 227.9562473755.

The spelling of 11845530 in words is "eleven million, eight hundred forty-five thousand, five hundred thirty".