12200444 has 12 divisors (see below), whose sum is σ = 21621600. Its totient is φ = 6022848.

The previous prime is 12200443. The next prime is 12200471. The reversal of 12200444 is 44400221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18989 + ... + 19620.

It is an arithmetic number, because the mean of its divisors is an integer number (1801800).

Almost surely, 2^12200444 is an apocalyptic number.

It is an amenable number.

12200444 is a deficient number, since it is larger than the sum of its proper divisors (9421156).

12200444 is a wasteful number, since it uses less digits than its factorization.

12200444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38692 (or 38690 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 12200444 is about 3492.9133971514. The cubic root of 12200444 is about 230.2105444466.

Adding to 12200444 its reverse (44400221), we get a palindrome (56600665).

The spelling of 12200444 in words is "twelve million, two hundred thousand, four hundred forty-four".