11709013 has 2 divisors, whose sum is σ = 11709014. Its totient is φ = 11709012.

The previous prime is 11709007. The next prime is 11709037. The reversal of 11709013 is 31090711.

11709013 is digitally balanced in base 2 and base 3, because in such bases 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., 11675889 + 33124 = 3417^2 + 182^2 .

It is an emirp because it is prime and its reverse (31090711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11709013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11709053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5854506 + 5854507.

It is an arithmetic number, because the mean of its divisors is an integer number (5854507).

Almost surely, 2^11709013 is an apocalyptic number.

It is an amenable number.

11709013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11709013 is an equidigital number, since it uses as much as digits as its factorization.

11709013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 11709013 is about 3421.8435089875. The cubic root of 11709013 is about 227.0771471498.

Adding to 11709013 its reverse (31090711), we get a palindrome (42799724).

The spelling of 11709013 in words is "eleven million, seven hundred nine thousand, thirteen".