11207213 has 4 divisors (see below), whose sum is σ = 11568768. Its totient is φ = 10845660.

The previous prime is 11207159. The next prime is 11207237. The reversal of 11207213 is 31270211.

11207213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11207213 - 2⁶ = 11207149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11207191 and 11207200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11207243) 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, 180731 + ... + 180792.

It is an arithmetic number, because the mean of its divisors is an integer number (2892192).

Almost surely, 2^11207213 is an apocalyptic number.

It is an amenable number.

11207213 is a deficient number, since it is larger than the sum of its proper divisors (361555).

11207213 is an equidigital number, since it uses as much as digits as its factorization.

11207213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361554.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 11207213 is about 3347.7175806809. The cubic root of 11207213 is about 223.7858084862.

Adding to 11207213 its reverse (31270211), we get a palindrome (42477424).

The spelling of 11207213 in words is "eleven million, two hundred seven thousand, two hundred thirteen".