11320013 has 2 divisors, whose sum is σ = 11320014. Its totient is φ = 11320012.

The previous prime is 11320007. The next prime is 11320019. The reversal of 11320013 is 31002311.

It is a balanced prime because it is at equal distance from previous prime (11320007) and next prime (11320019).

It can be written as a sum of positive squares in only one way, i.e., 6360484 + 4959529 = 2522^2 + 2227^2 .

It is an emirp because it is prime and its reverse (31002311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11320013 - 2⁶ = 11319949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11319976 and 11320003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11320019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660006 + 5660007.

It is an arithmetic number, because the mean of its divisors is an integer number (5660007).

Almost surely, 2^11320013 is an apocalyptic number.

It is an amenable number.

11320013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320013 is an equidigital number, since it uses as much as digits as its factorization.

11320013 is an evil number, because the sum of its binary digits is even.

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

The square root of 11320013 is about 3364.5227001761. The cubic root of 11320013 is about 224.5341009668.

Adding to 11320013 its reverse (31002311), we get a palindrome (42322324).

The spelling of 11320013 in words is "eleven million, three hundred twenty thousand, thirteen".