11212656 has 160 divisors (see below), whose sum is σ = 37997568. Its totient is φ = 2764800.

The previous prime is 11212633. The next prime is 11212657. The reversal of 11212656 is 65621211.

11212656 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74181 + ... + 74331.

Almost surely, 2^11212656 is an apocalyptic number.

11212656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18998784).

11212656 is an abundant number, since it is smaller than the sum of its proper divisors (26784912).

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

11212656 is a wasteful number, since it uses less digits than its factorization.

11212656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 193 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 11212656 is about 3348.5304239323. The cubic root of 11212656 is about 223.8220312597.

Adding to 11212656 its reverse (65621211), we get a palindrome (76833867).

The spelling of 11212656 in words is "eleven million, two hundred twelve thousand, six hundred fifty-six".