11940218 has 8 divisors (see below), whose sum is σ = 18137280. Its totient is φ = 5894460.

The previous prime is 11940217. The next prime is 11940221. The reversal of 11940218 is 81204911.

11940218 = 992² + 993² + ... + 1003².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11940217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37628 + ... + 37943.

It is an arithmetic number, because the mean of its divisors is an integer number (2267160).

Almost surely, 2^11940218 is an apocalyptic number.

11940218 is a deficient number, since it is larger than the sum of its proper divisors (6197062).

11940218 is an equidigital number, since it uses as much as digits as its factorization.

11940218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75652.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11940218 is about 3455.4620530401. The cubic root of 11940218 is about 228.5620303799.

The spelling of 11940218 in words is "eleven million, nine hundred forty thousand, two hundred eighteen".