11798118 has 48 divisors (see below), whose sum is σ = 26535600. Its totient is φ = 3786432.

The previous prime is 11798117. The next prime is 11798131. The reversal of 11798118 is 81189711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11798117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79108 + ... + 79256.

It is an arithmetic number, because the mean of its divisors is an integer number (552825).

Almost surely, 2^11798118 is an apocalyptic number.

11798118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11798118 is an abundant number, since it is smaller than the sum of its proper divisors (14737482).

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

11798118 is a wasteful number, since it uses less digits than its factorization.

11798118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 290 counting only the distinct ones).

The product of its digits is 4032, while the sum is 36.

The square root of 11798118 is about 3434.8388608492. The cubic root of 11798118 is about 227.6517073699.

The spelling of 11798118 in words is "eleven million, seven hundred ninety-eight thousand, one hundred eighteen".