11966418 has 24 divisors (see below), whose sum is σ = 26009100. Its totient is φ = 3976224.

The previous prime is 11966389. The next prime is 11966441. The reversal of 11966418 is 81466911.

It is a happy number.

11966418 is a `hidden beast` number, since 1 + 1 + 9 + 6 + 641 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10870209 + 1096209 = 3297^2 + 1047^2 .

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, 6148 + ... + 7856.

Almost surely, 2^11966418 is an apocalyptic number.

11966418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11966418 is an abundant number, since it is smaller than the sum of its proper divisors (14042682).

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

11966418 is a wasteful number, since it uses less digits than its factorization.

11966418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2103 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 11966418 is about 3459.2510750161. The cubic root of 11966418 is about 228.7290834588.

The spelling of 11966418 in words is "eleven million, nine hundred sixty-six thousand, four hundred eighteen".