12163406 has 8 divisors (see below), whose sum is σ = 18495264. Its totient is φ = 5998320.

The previous prime is 12163399. The next prime is 12163409. The reversal of 12163406 is 60436121.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12163409) 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, 41510 + ... + 41801.

It is an arithmetic number, because the mean of its divisors is an integer number (2311908).

Almost surely, 2^12163406 is an apocalyptic number.

12163406 is a deficient number, since it is larger than the sum of its proper divisors (6331858).

12163406 is an equidigital number, since it uses as much as digits as its factorization.

12163406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83386.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12163406 is about 3487.6074893829. The cubic root of 12163406 is about 229.9773512670.

Adding to 12163406 its reverse (60436121), we get a palindrome (72599527).

The spelling of 12163406 in words is "twelve million, one hundred sixty-three thousand, four hundred six".