12196140 has 96 divisors (see below), whose sum is σ = 39481344. Its totient is φ = 2780160.

The previous prime is 12196109. The next prime is 12196159. The reversal of 12196140 is 4169121.

It is a self number, because there is not a number n which added to its sum of digits gives 12196140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10677 + ... + 11763.

It is an arithmetic number, because the mean of its divisors is an integer number (411264).

Almost surely, 2^12196140 is an apocalyptic number.

12196140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12196140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19740672).

12196140 is an abundant number, since it is smaller than the sum of its proper divisors (27285204).

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

12196140 is a wasteful number, since it uses less digits than its factorization.

12196140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 12196140 is about 3492.2972382087. The cubic root of 12196140 is about 230.1834704943.

The spelling of 12196140 in words is "twelve million, one hundred ninety-six thousand, one hundred forty".