11862180 has 96 divisors (see below), whose sum is σ = 40279680. Its totient is φ = 2874240.

The previous prime is 11862167. The next prime is 11862199. The reversal of 11862180 is 8126811.

It is a super-2 number, since 2×11862180² = 281422628704800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4942 + ... + 6938.

It is an arithmetic number, because the mean of its divisors is an integer number (419580).

Almost surely, 2^11862180 is an apocalyptic number.

11862180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11862180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20139840).

11862180 is an abundant number, since it is smaller than the sum of its proper divisors (28417500).

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

11862180 is a wasteful number, since it uses less digits than its factorization.

11862180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 11862180 is about 3444.1515646092. The cubic root of 11862180 is about 228.0630019800.

Adding to 11862180 its reverse (8126811), we get a palindrome (19988991).

The spelling of 11862180 in words is "eleven million, eight hundred sixty-two thousand, one hundred eighty".