11880218 has 16 divisors (see below), whose sum is σ = 20423040. Its totient is φ = 5077296.

The previous prime is 11880203. The next prime is 11880241. The reversal of 11880218 is 81208811.

11880218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11880218² = 282279159455048, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5180 + ... + 7112.

It is an arithmetic number, because the mean of its divisors is an integer number (1276440).

Almost surely, 2^11880218 is an apocalyptic number.

11880218 is a deficient number, since it is larger than the sum of its proper divisors (8542822).

11880218 is a wasteful number, since it uses less digits than its factorization.

11880218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381.

The product of its (nonzero) digits is 1024, while the sum is 29.

The square root of 11880218 is about 3446.7692118852. The cubic root of 11880218 is about 228.1785433335.

The spelling of 11880218 in words is "eleven million, eight hundred eighty thousand, two hundred eighteen".