11013613 has 4 divisors (see below), whose sum is σ = 11860828. Its totient is φ = 10166400.

The previous prime is 11013601. The next prime is 11013623. The reversal of 11013613 is 31631011.

11013613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1790244 + 9223369 = 1338^2 + 3037^2 .

It is a cyclic number.

It is not a de Polignac number, because 11013613 - 2⁵ = 11013581 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423588 + ... + 423613.

It is an arithmetic number, because the mean of its divisors is an integer number (2965207).

Almost surely, 2^11013613 is an apocalyptic number.

11013613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11013613 is a deficient number, since it is larger than the sum of its proper divisors (847215).

11013613 is an equidigital number, since it uses as much as digits as its factorization.

11013613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847214.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 11013613 is about 3318.6763927807. The cubic root of 11013613 is about 222.4897137861.

Adding to 11013613 its reverse (31631011), we get a palindrome (42644624).

The spelling of 11013613 in words is "eleven million, thirteen thousand, six hundred thirteen".