11013663 has 4 divisors (see below), whose sum is σ = 14684888. Its totient is φ = 7342440.

The previous prime is 11013643. The next prime is 11013683. The reversal of 11013663 is 36631011.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11013643) and next prime (11013683).

It is not a de Polignac number, because 11013663 - 2⁵ = 11013631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013623) 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 3 ways as a sum of consecutive naturals, for example, 1835608 + ... + 1835613.

It is an arithmetic number, because the mean of its divisors is an integer number (3671222).

Almost surely, 2^11013663 is an apocalyptic number.

11013663 is a deficient number, since it is larger than the sum of its proper divisors (3671225).

11013663 is an equidigital number, since it uses as much as digits as its factorization.

11013663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671224.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 11013663 is about 3318.6839258959. The cubic root of 11013663 is about 222.4900504746.

Adding to 11013663 its reverse (36631011), we get a palindrome (47644674).

The spelling of 11013663 in words is "eleven million, thirteen thousand, six hundred sixty-three".