12199850 has 36 divisors (see below), whose sum is σ = 24616914. Its totient is φ = 4471680.

The previous prime is 12199841. The next prime is 12199861. The reversal of 12199850 is 5899121.

It can be written as a sum of positive squares in 9 ways, for example, as 249001 + 11950849 = 499^2 + 3457^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12199850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 88982 + ... + 89118.

Almost surely, 2^12199850 is an apocalyptic number.

12199850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12199850 is an abundant number, since it is smaller than the sum of its proper divisors (12417064).

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

12199850 is a wasteful number, since it uses less digits than its factorization.

12199850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 12199850 is about 3492.8283668111. The cubic root of 12199850 is about 230.2068083181.

The spelling of 12199850 in words is "twelve million, one hundred ninety-nine thousand, eight hundred fifty".