12200481 has 6 divisors (see below), whose sum is σ = 17622930. Its totient is φ = 8133648.

The previous prime is 12200477. The next prime is 12200483. The reversal of 12200481 is 18400221.

It can be written as a sum of positive squares in only one way, i.e., 11840481 + 360000 = 3441^2 + 600^2 .

It is not a de Polignac number, because 12200481 - 2² = 12200477 is a prime.

It is a super-2 number, since 2×12200481² = 297703473262722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12200483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 677796 + ... + 677813.

It is an arithmetic number, because the mean of its divisors is an integer number (2937155).

Almost surely, 2^12200481 is an apocalyptic number.

It is an amenable number.

12200481 is a deficient number, since it is larger than the sum of its proper divisors (5422449).

12200481 is a wasteful number, since it uses less digits than its factorization.

12200481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355615 (or 1355612 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12200481 is about 3492.9186935856. The cubic root of 12200481 is about 230.2107771644.

The spelling of 12200481 in words is "twelve million, two hundred thousand, four hundred eighty-one".