12200256 has 84 divisors (see below), whose sum is σ = 35661600. Its totient is φ = 3986688.

The previous prime is 12200239. The next prime is 12200263. The reversal of 12200256 is 65200221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33805 + ... + 34163.

Almost surely, 2^12200256 is an apocalyptic number.

12200256 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 12200256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17830800).

12200256 is an abundant number, since it is smaller than the sum of its proper divisors (23461344).

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

12200256 is a wasteful number, since it uses less digits than its factorization.

12200256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12200256 is about 3492.8864854158. The cubic root of 12200256 is about 230.2093619813.

Adding to 12200256 its reverse (65200221), we get a palindrome (77400477).

The spelling of 12200256 in words is "twelve million, two hundred thousand, two hundred fifty-six".