11209713 has 16 divisors (see below), whose sum is σ = 15449280. Its totient is φ = 7225344.

The previous prime is 11209711. The next prime is 11209727. The reversal of 11209713 is 31790211.

It is not a de Polignac number, because 11209713 - 2¹ = 11209711 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11209711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14193 + ... + 14961.

It is an arithmetic number, because the mean of its divisors is an integer number (965580).

Almost surely, 2^11209713 is an apocalyptic number.

It is an amenable number.

11209713 is a deficient number, since it is larger than the sum of its proper divisors (4239567).

11209713 is a wasteful number, since it uses less digits than its factorization.

11209713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 11209713 is about 3348.0909485855. The cubic root of 11209713 is about 223.8024472624.

Adding to 11209713 its reverse (31790211), we get a palindrome (42999924).

The spelling of 11209713 in words is "eleven million, two hundred nine thousand, seven hundred thirteen".