1113798 has 32 divisors (see below), whose sum is σ = 2658816. Its totient is φ = 304128.

The previous prime is 1113797. The next prime is 1113809. The reversal of 1113798 is 8973111.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (83088).

2^1113798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329408).

1113798 is an abundant number, since it is smaller than the sum of its proper divisors (1545018).

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

1113798 is a wasteful number, since it uses less digits than its factorization.

1113798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188.

The product of its digits is 1512, while the sum is 30.

The square root of 1113798 is about 1055.3662871250. The cubic root of 1113798 is about 103.6578375435.

Subtracting from 1113798 its product of digits (1512), we obtain a triangular number (1112286 = T₁₄₉₁).

The spelling of 1113798 in words is "one million, one hundred thirteen thousand, seven hundred ninety-eight".