12188950 has 24 divisors (see below), whose sum is σ = 22764168. Its totient is φ = 4855680.

The previous prime is 12188941. The next prime is 12188951. The reversal of 12188950 is 5988121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12188951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21369 + ... + 21931.

It is an arithmetic number, because the mean of its divisors is an integer number (948507).

Almost surely, 2^12188950 is an apocalyptic number.

12188950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12188950 is a deficient number, since it is larger than the sum of its proper divisors (10575218).

12188950 is a wasteful number, since it uses less digits than its factorization.

12188950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 12188950 is about 3491.2676780791. The cubic root of 12188950 is about 230.1382281884.

The spelling of 12188950 in words is "twelve million, one hundred eighty-eight thousand, nine hundred fifty".