11206428 has 48 divisors (see below), whose sum is σ = 28734720. Its totient is φ = 3383424.

The previous prime is 11206423. The next prime is 11206453. The reversal of 11206428 is 82460211.

It is a junction number, because it is equal to n+sod(n) for n = 11206398 and 11206407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11206423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4176 + ... + 6312.

It is an arithmetic number, because the mean of its divisors is an integer number (598640).

Almost surely, 2^11206428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11206428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14367360).

11206428 is an abundant number, since it is smaller than the sum of its proper divisors (17528292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11206428 is a wasteful number, since it uses less digits than its factorization.

11206428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 11206428 is about 3347.6003345680. The cubic root of 11206428 is about 223.7805834000.

Adding to 11206428 its reverse (82460211), we get a palindrome (93666639).

The spelling of 11206428 in words is "eleven million, two hundred six thousand, four hundred twenty-eight".