12200450 has 12 divisors (see below), whose sum is σ = 22692930. Its totient is φ = 4880160.

The previous prime is 12200443. The next prime is 12200471. The reversal of 12200450 is 5400221.

It can be written as a sum of positive squares in 3 ways, for example, as 5193841 + 7006609 = 2279^2 + 2647^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121955 + ... + 122054.

Almost surely, 2^12200450 is an apocalyptic number.

12200450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12200450 is a deficient number, since it is larger than the sum of its proper divisors (10492480).

12200450 is a wasteful number, since it uses less digits than its factorization.

12200450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244021 (or 244016 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12200450 is about 3492.9142560332. The cubic root of 12200450 is about 230.2105821847.

Adding to 12200450 its reverse (5400221), we get a palindrome (17600671).

The spelling of 12200450 in words is "twelve million, two hundred thousand, four hundred fifty".