11307213 has 12 divisors (see below), whose sum is σ = 16680768. Its totient is φ = 7377480.

The previous prime is 11307211. The next prime is 11307217. The reversal of 11307213 is 31270311.

It is not a de Polignac number, because 11307213 - 2¹ = 11307211 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11307211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12943 + ... + 13788.

It is an arithmetic number, because the mean of its divisors is an integer number (1390064).

Almost surely, 2^11307213 is an apocalyptic number.

It is an amenable number.

11307213 is a deficient number, since it is larger than the sum of its proper divisors (5373555).

11307213 is a wasteful number, since it uses less digits than its factorization.

11307213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26784 (or 26781 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 11307213 is about 3362.6199606854. The cubic root of 11307213 is about 224.4494390960.

Adding to 11307213 its reverse (31270311), we get a palindrome (42577524).

The spelling of 11307213 in words is "eleven million, three hundred seven thousand, two hundred thirteen".