11313603 has 12 divisors (see below), whose sum is σ = 18676528. Its totient is φ = 6464880.

The previous prime is 11313593. The next prime is 11313611. The reversal of 11313603 is 30631311.

It is not a de Polignac number, because 11313603 - 2⁴ = 11313587 is a prime.

It is a super-2 number, since 2×11313603² = 255995225683218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11313403) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 89728 + ... + 89853.

Almost surely, 2^11313603 is an apocalyptic number.

11313603 is a deficient number, since it is larger than the sum of its proper divisors (7362925).

11313603 is a wasteful number, since it uses less digits than its factorization.

11313603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179594 (or 179591 counting only the distinct ones).

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

The square root of 11313603 is about 3363.5699784604. The cubic root of 11313603 is about 224.4917118714.

Adding to 11313603 its reverse (30631311), we get a palindrome (41944914).

The spelling of 11313603 in words is "eleven million, three hundred thirteen thousand, six hundred three".