11107213 has 8 divisors (see below), whose sum is σ = 11996600. Its totient is φ = 10222848.

The previous prime is 11107189. The next prime is 11107219. The reversal of 11107213 is 31270111.

It can be written as a sum of positive squares in 4 ways, for example, as 4153444 + 6953769 = 2038^2 + 2637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11107213 is a prime.

It is a super-3 number, since 3×11107213³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11107219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4273 + ... + 6361.

It is an arithmetic number, because the mean of its divisors is an integer number (1499575).

Almost surely, 2^11107213 is an apocalyptic number.

11107213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11107213 is a deficient number, since it is larger than the sum of its proper divisors (889387).

11107213 is a wasteful number, since it uses less digits than its factorization.

11107213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511.

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

The square root of 11107213 is about 3332.7485653736. The cubic root of 11107213 is about 223.1182184016.

Adding to 11107213 its reverse (31270111), we get a palindrome (42377324).

The spelling of 11107213 in words is "eleven million, one hundred seven thousand, two hundred thirteen".