11303013 has 4 divisors (see below), whose sum is σ = 15070688. Its totient is φ = 7535340.

The previous prime is 11302979. The next prime is 11303021. The reversal of 11303013 is 31030311.

11303013 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11303013 - 2¹⁰ = 11301989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11303013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303813) 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, 1883833 + ... + 1883838.

It is an arithmetic number, because the mean of its divisors is an integer number (3767672).

Almost surely, 2^11303013 is an apocalyptic number.

It is an amenable number.

11303013 is a deficient number, since it is larger than the sum of its proper divisors (3767675).

11303013 is an equidigital number, since it uses as much as digits as its factorization.

11303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767674.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 11303013 is about 3361.9953896459. The cubic root of 11303013 is about 224.4216454983.

Adding to 11303013 its reverse (31030311), we get a palindrome (42333324).

The spelling of 11303013 in words is "eleven million, three hundred three thousand, thirteen".