1113799 has 12 divisors (see below), whose sum is σ = 1231320. Its totient is φ = 1004400.

The previous prime is 1113797. The next prime is 1113809. The reversal of 1113799 is 9973111.

It is not a de Polignac number, because 1113799 - 2¹ = 1113797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1113799.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18229 + ... + 18289.

It is an arithmetic number, because the mean of its divisors is an integer number (102610).

2^1113799 is an apocalyptic number.

1113799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1113799 is a deficient number, since it is larger than the sum of its proper divisors (117521).

1113799 is an equidigital number, since it uses as much as digits as its factorization.

1113799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 111 counting only the distinct ones).

The product of its digits is 1701, while the sum is 31.

The square root of 1113799 is about 1055.3667608941. The cubic root of 1113799 is about 103.6578685659.

It can be divided in two parts, 11137 and 99, that added together give a square (11236 = 106²).

The spelling of 1113799 in words is "one million, one hundred thirteen thousand, seven hundred ninety-nine".