1113816 has 32 divisors (see below), whose sum is σ = 3038400. Its totient is φ = 337440.

The previous prime is 1113809. The next prime is 1113859. The reversal of 1113816 is 6183111.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1113792 and 1113801.

It is a congruent number.

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, 1846 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (94950).

2^1113816 is an apocalyptic number.

It is an amenable number.

1113816 is an abundant number, since it is smaller than the sum of its proper divisors (1924584).

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

1113816 is a wasteful number, since it uses less digits than its factorization.

1113816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239 (or 4235 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

The square root of 1113816 is about 1055.3748149354. The cubic root of 1113816 is about 103.6583959425.

Adding to 1113816 its reverse (6183111), we get a palindrome (7296927).

The spelling of 1113816 in words is "one million, one hundred thirteen thousand, eight hundred sixteen".