11948180 has 12 divisors (see below), whose sum is σ = 25091220. Its totient is φ = 4779264.

The previous prime is 11948147. The next prime is 11948221. The reversal of 11948180 is 8184911.

It can be written as a sum of positive squares in 2 ways, for example, as 1281424 + 10666756 = 1132^2 + 3266^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298685 + ... + 298724.

It is an arithmetic number, because the mean of its divisors is an integer number (2090935).

Almost surely, 2^11948180 is an apocalyptic number.

11948180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11948180 is an abundant number, since it is smaller than the sum of its proper divisors (13143040).

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

11948180 is a wasteful number, since it uses less digits than its factorization.

11948180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597418 (or 597416 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 11948180 is about 3456.6139500962. The cubic root of 11948180 is about 228.6128224883.

The spelling of 11948180 in words is "eleven million, nine hundred forty-eight thousand, one hundred eighty".