1133613 has 12 divisors (see below), whose sum is σ = 1763580. Its totient is φ = 697536.

The previous prime is 1133591. The next prime is 1133621. The reversal of 1133613 is 3163311.

It can be written as a sum of positive squares in 2 ways, for example, as 381924 + 751689 = 618^2 + 867^2 .

It is not a de Polignac number, because 1133613 - 2⁸ = 1133357 is a prime.

It is a Curzon number.

1133613 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4728 + ... + 4961.

It is an arithmetic number, because the mean of its divisors is an integer number (146965).

2^1133613 is an apocalyptic number.

1133613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1133613 is a deficient number, since it is larger than the sum of its proper divisors (629967).

1133613 is a wasteful number, since it uses less digits than its factorization.

1133613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9708 (or 9705 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 1133613 is about 1064.7126372876. The cubic root of 1133613 is about 104.2689353663.

Adding to 1133613 its reverse (3163311), we get a palindrome (4296924).

The spelling of 1133613 in words is "one million, one hundred thirty-three thousand, six hundred thirteen".