11021713 has 4 divisors (see below), whose sum is σ = 11036340. Its totient is φ = 11007088.

The previous prime is 11021707. The next prime is 11021723. The reversal of 11021713 is 31712011.

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 3359889 + 7661824 = 1833^2 + 2768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021723) 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, 6118 + ... + 7711.

It is an arithmetic number, because the mean of its divisors is an integer number (2759085).

Almost surely, 2^11021713 is an apocalyptic number.

It is an amenable number.

11021713 is a deficient number, since it is larger than the sum of its proper divisors (14627).

11021713 is an equidigital number, since it uses as much as digits as its factorization.

11021713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14626.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11021713 is about 3319.8965345324. The cubic root of 11021713 is about 222.5442440315.

Adding to 11021713 its reverse (31712011), we get a palindrome (42733724).

The spelling of 11021713 in words is "eleven million, twenty-one thousand, seven hundred thirteen".