1113598 has 4 divisors (see below), whose sum is σ = 1670400. Its totient is φ = 556798.

The previous prime is 1113587. The next prime is 1113599. The reversal of 1113598 is 8953111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278398 + ... + 278401.

It is an arithmetic number, because the mean of its divisors is an integer number (417600).

2^1113598 is an apocalyptic number.

1113598 is a deficient number, since it is larger than the sum of its proper divisors (556802).

1113598 is an equidigital number, since it uses as much as digits as its factorization.

1113598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556801.

The product of its digits is 1080, while the sum is 28.

The square root of 1113598 is about 1055.2715290389. The cubic root of 1113598 is about 103.6516327055.

It can be divided in two parts, 1113 and 598, that added together give a triangular number (1711 = T₅₈).

The spelling of 1113598 in words is "one million, one hundred thirteen thousand, five hundred ninety-eight".