11113388 has 24 divisors (see below), whose sum is σ = 22849680. Its totient is φ = 4662720.

The previous prime is 11113379. The next prime is 11113429. The reversal of 11113388 is 88331111.

11113388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9143 + ... + 10286.

It is an arithmetic number, because the mean of its divisors is an integer number (952070).

Almost surely, 2^11113388 is an apocalyptic number.

It is an amenable number.

11113388 is an abundant number, since it is smaller than the sum of its proper divisors (11736292).

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

11113388 is a wasteful number, since it uses less digits than its factorization.

11113388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19457 (or 19455 counting only the distinct ones).

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

The square root of 11113388 is about 3333.6748491717. The cubic root of 11113388 is about 223.1595578975.

Adding to 11113388 its reverse (88331111), we get a palindrome (99444499).

The spelling of 11113388 in words is "eleven million, one hundred thirteen thousand, three hundred eighty-eight".