12193738 has 8 divisors (see below), whose sum is σ = 18335520. Its totient is φ = 6081900.

The previous prime is 12193697. The next prime is 12193739. The reversal of 12193738 is 83739121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12193739) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6438 + ... + 8113.

It is an arithmetic number, because the mean of its divisors is an integer number (2291940).

Almost surely, 2^12193738 is an apocalyptic number.

12193738 is a deficient number, since it is larger than the sum of its proper divisors (6141782).

12193738 is a wasteful number, since it uses less digits than its factorization.

12193738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14972.

The product of its digits is 9072, while the sum is 34.

The square root of 12193738 is about 3491.9533215666. The cubic root of 12193738 is about 230.1683581446.

The spelling of 12193738 in words is "twelve million, one hundred ninety-three thousand, seven hundred thirty-eight".