1108613 has 8 divisors (see below), whose sum is σ = 1223040. Its totient is φ = 996480.

The previous prime is 1108609. The next prime is 1108619. The reversal of 1108613 is 3168011.

Added to its reverse (3168011) it gives a square (4276624 = 2068²).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1108613 - 2² = 1108609 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548 + ... + 1586.

It is an arithmetic number, because the mean of its divisors is an integer number (152880).

2^1108613 is an apocalyptic number.

It is an amenable number.

1108613 is a deficient number, since it is larger than the sum of its proper divisors (114427).

1108613 is a wasteful number, since it uses less digits than its factorization.

1108613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1108613 is about 1052.9069284604. The cubic root of 1108613 is about 103.4967364993.

Adding to 1108613 its reverse (3168011), we get a square (4276624 = 2068²).

The spelling of 1108613 in words is "one million, one hundred eight thousand, six hundred thirteen".