1113648 has 20 divisors (see below), whose sum is σ = 2877048. Its totient is φ = 371200.

The previous prime is 1113643. The next prime is 1113667. The reversal of 1113648 is 8463111.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is not an unprimeable number, because it can be changed into a prime (1113643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11553 + ... + 11648.

2^1113648 is an apocalyptic number.

It is an amenable number.

1113648 is an abundant number, since it is smaller than the sum of its proper divisors (1763400).

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

1113648 is a wasteful number, since it uses less digits than its factorization.

1113648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23212 (or 23206 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 1113648 is about 1055.2952193581. The cubic root of 1113648 is about 103.6531839847.

Adding to 1113648 its reverse (8463111), we get a palindrome (9576759).

The spelling of 1113648 in words is "one million, one hundred thirteen thousand, six hundred forty-eight".