11023613 has 4 divisors (see below), whose sum is σ = 11031708. Its totient is φ = 11015520.

The previous prime is 11023603. The next prime is 11023627. The reversal of 11023613 is 31632011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31632011 = 29 ⋅1090759.

It can be written as a sum of positive squares in 2 ways, for example, as 3771364 + 7252249 = 1942^2 + 2693^2 .

It is a cyclic number.

It is not a de Polignac number, because 11023613 - 2¹² = 11019517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11023591 and 11023600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023603) 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 3 ways as a sum of consecutive naturals, for example, 1448 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (2757927).

Almost surely, 2^11023613 is an apocalyptic number.

It is an amenable number.

11023613 is a deficient number, since it is larger than the sum of its proper divisors (8095).

11023613 is an equidigital number, since it uses as much as digits as its factorization.

11023613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 11023613 is about 3320.1826756972. The cubic root of 11023613 is about 222.5570312081.

Adding to 11023613 its reverse (31632011), we get a palindrome (42655624).

The spelling of 11023613 in words is "eleven million, twenty-three thousand, six hundred thirteen".