11790018 has 12 divisors (see below), whose sum is σ = 25545078. Its totient is φ = 3930000.

The previous prime is 11790017. The next prime is 11790043. The reversal of 11790018 is 81009711.

It can be written as a sum of positive squares in only one way, i.e., 11309769 + 480249 = 3363^2 + 693^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11789973 and 11790000.

It is not an unprimeable number, because it can be changed into a prime (11790017) 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 5 ways as a sum of consecutive naturals, for example, 327483 + ... + 327518.

Almost surely, 2^11790018 is an apocalyptic number.

11790018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11790018 is an abundant number, since it is smaller than the sum of its proper divisors (13755060).

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

11790018 is a wasteful number, since it uses less digits than its factorization.

11790018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655009 (or 655006 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 11790018 is about 3433.6595637890. The cubic root of 11790018 is about 227.5995973360.

Adding to 11790018 its reverse (81009711), we get a palindrome (92799729).

The spelling of 11790018 in words is "eleven million, seven hundred ninety thousand, eighteen".