11308013 has 2 divisors, whose sum is σ = 11308014. Its totient is φ = 11308012.

The previous prime is 11308007. The next prime is 11308039. The reversal of 11308013 is 31080311.

11308013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10510564 + 797449 = 3242^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 11308013 - 2¹⁶ = 11242477 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11307982 and 11308000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11308093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5654006 + 5654007.

It is an arithmetic number, because the mean of its divisors is an integer number (5654007).

Almost surely, 2^11308013 is an apocalyptic number.

It is an amenable number.

11308013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11308013 is an equidigital number, since it uses as much as digits as its factorization.

11308013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11308013 is about 3362.7389134454. The cubic root of 11308013 is about 224.4547323342.

Adding to 11308013 its reverse (31080311), we get a palindrome (42388324).

The spelling of 11308013 in words is "eleven million, three hundred eight thousand, thirteen".