11701818 has 48 divisors (see below), whose sum is σ = 26647296. Its totient is φ = 3706560.

The previous prime is 11701801. The next prime is 11701847. The reversal of 11701818 is 81810711.

11701818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11701818 is a modest number, since divided by 1818 gives 1170 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11701791 and 11701800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37230 + ... + 37542.

It is an arithmetic number, because the mean of its divisors is an integer number (555152).

Almost surely, 2^11701818 is an apocalyptic number.

11701818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11701818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13323648).

11701818 is an abundant number, since it is smaller than the sum of its proper divisors (14945478).

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

11701818 is a wasteful number, since it uses less digits than its factorization.

11701818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 27.

The square root of 11701818 is about 3420.7920135548. The cubic root of 11701818 is about 227.0306258691.

The spelling of 11701818 in words is "eleven million, seven hundred one thousand, eight hundred eighteen".