12193144 has 8 divisors (see below), whose sum is σ = 22862160. Its totient is φ = 6096568.

The previous prime is 12193141. The next prime is 12193147. The reversal of 12193144 is 44139121.

It is a happy number.

12193144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12193141) and next prime (12193147).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12193141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762064 + ... + 762079.

It is an arithmetic number, because the mean of its divisors is an integer number (2857770).

Almost surely, 2^12193144 is an apocalyptic number.

It is an amenable number.

12193144 is a deficient number, since it is larger than the sum of its proper divisors (10669016).

12193144 is a wasteful number, since it uses less digits than its factorization.

12193144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524149 (or 1524145 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 12193144 is about 3491.8682678475. The cubic root of 12193144 is about 230.1646206463.

The spelling of 12193144 in words is "twelve million, one hundred ninety-three thousand, one hundred forty-four".