1113399 has 32 divisors (see below), whose sum is σ = 1943040. Its totient is φ = 616896.

The previous prime is 1113379. The next prime is 1113401. The reversal of 1113399 is 9933111.

It is not a de Polignac number, because 1113399 - 2¹¹ = 1111351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8059 + ... + 8195.

It is an arithmetic number, because the mean of its divisors is an integer number (60720).

2^1113399 is an apocalyptic number.

1113399 is a deficient number, since it is larger than the sum of its proper divisors (829641).

1113399 is a wasteful number, since it uses less digits than its factorization.

1113399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 190 counting only the distinct ones).

The product of its digits is 729, while the sum is 27.

The square root of 1113399 is about 1055.1772362973. The cubic root of 1113399 is about 103.6454581543.

The spelling of 1113399 in words is "one million, one hundred thirteen thousand, three hundred ninety-nine".