11013603 has 8 divisors (see below), whose sum is σ = 15548688. Its totient is φ = 6910464.

The previous prime is 11013601. The next prime is 11013623. The reversal of 11013603 is 30631011.

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

It is not a de Polignac number, because 11013603 - 2¹ = 11013601 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (11013601) 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 7 ways as a sum of consecutive naturals, for example, 107926 + ... + 108027.

It is an arithmetic number, because the mean of its divisors is an integer number (1943586).

Almost surely, 2^11013603 is an apocalyptic number.

11013603 is a deficient number, since it is larger than the sum of its proper divisors (4535085).

11013603 is a wasteful number, since it uses less digits than its factorization.

11013603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215973.

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

The square root of 11013603 is about 3318.6748861556. The cubic root of 11013603 is about 222.4896464483.

Adding to 11013603 its reverse (30631011), we get a palindrome (41644614).

The spelling of 11013603 in words is "eleven million, thirteen thousand, six hundred three".