1113504 has 48 divisors (see below), whose sum is σ = 3342528. Its totient is φ = 317952.

The previous prime is 1113491. The next prime is 1113509. The reversal of 1113504 is 4053111.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1113509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (69636).

2^1113504 is an apocalyptic number.

1113504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671264).

1113504 is an abundant number, since it is smaller than the sum of its proper divisors (2229024).

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

1113504 is a wasteful number, since it uses less digits than its factorization.

1113504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1113504 is about 1055.2269897989. The cubic root of 1113504 is about 103.6487161750.

Adding to 1113504 its reverse (4053111), we get a palindrome (5166615).

The spelling of 1113504 in words is "one million, one hundred thirteen thousand, five hundred four".