1113365 has 16 divisors (see below), whose sum is σ = 1506816. Its totient is φ = 782400.

The previous prime is 1113349. The next prime is 1113373. The reversal of 1113365 is 5633111.

It is a happy number.

It is not a de Polignac number, because 1113365 - 2⁴ = 1113349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379 + ... + 2031.

It is an arithmetic number, because the mean of its divisors is an integer number (94176).

2^1113365 is an apocalyptic number.

It is an amenable number.

1113365 is a deficient number, since it is larger than the sum of its proper divisors (393451).

1113365 is a wasteful number, since it uses less digits than its factorization.

1113365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700.

The product of its digits is 270, while the sum is 20.

The square root of 1113365 is about 1055.1611251368. The cubic root of 1113365 is about 103.6444031323.

Adding to 1113365 its reverse (5633111), we get a palindrome (6746476).

The spelling of 1113365 in words is "one million, one hundred thirteen thousand, three hundred sixty-five".