11023013 has 4 divisors (see below), whose sum is σ = 11036460. Its totient is φ = 11009568.

The previous prime is 11023009. The next prime is 11023027. The reversal of 11023013 is 31032011.

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 10355524 + 667489 = 3218^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 11023013 - 2² = 11023009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022985 and 11023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023063) 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, 5408 + ... + 7161.

It is an arithmetic number, because the mean of its divisors is an integer number (2759115).

Almost surely, 2^11023013 is an apocalyptic number.

It is an amenable number.

11023013 is a deficient number, since it is larger than the sum of its proper divisors (13447).

11023013 is an equidigital number, since it uses as much as digits as its factorization.

11023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13446.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 11023013 is about 3320.0923179936. The cubic root of 11023013 is about 222.5529933111.

Adding to 11023013 its reverse (31032011), we get a palindrome (42055024).

The spelling of 11023013 in words is "eleven million, twenty-three thousand, thirteen".