1103613 has 8 divisors (see below), whose sum is σ = 1681728. Its totient is φ = 630624.

The previous prime is 1103611. The next prime is 1103617. The reversal of 1103613 is 3163011.

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

It is not a de Polignac number, because 1103613 - 2¹ = 1103611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103592 and 1103601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103611) 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 7 ways as a sum of consecutive naturals, for example, 26256 + ... + 26297.

It is an arithmetic number, because the mean of its divisors is an integer number (210216).

2^1103613 is an apocalyptic number.

It is an amenable number.

1103613 is a deficient number, since it is larger than the sum of its proper divisors (578115).

1103613 is an equidigital number, since it uses as much as digits as its factorization.

1103613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52563.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1103613 is about 1050.5298663056. The cubic root of 1103613 is about 103.3409070643.

Adding to 1103613 its reverse (3163011), we get a palindrome (4266624).

The spelling of 1103613 in words is "one million, one hundred three thousand, six hundred thirteen".