12163442 has 8 divisors (see below), whose sum is σ = 18278832. Its totient is φ = 6070500.

The previous prime is 12163423. The next prime is 12163519. The reversal of 12163442 is 24436121.

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

It is a nialpdrome in base 16.

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 3 ways as a sum of consecutive naturals, for example, 4184 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (2284854).

Almost surely, 2^12163442 is an apocalyptic number.

12163442 is a deficient number, since it is larger than the sum of its proper divisors (6115390).

12163442 is a wasteful number, since it uses less digits than its factorization.

12163442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11224.

The product of its digits is 1152, while the sum is 23.

The square root of 12163442 is about 3487.6126505104. The cubic root of 12163442 is about 229.9775781545.

Adding to 12163442 its reverse (24436121), we get a palindrome (36599563).

The spelling of 12163442 in words is "twelve million, one hundred sixty-three thousand, four hundred forty-two".