12163506 has 16 divisors (see below), whose sum is σ = 24845184. Its totient is φ = 3968144.

The previous prime is 12163423. The next prime is 12163519. The reversal of 12163506 is 60536121.

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 7 ways as a sum of consecutive naturals, for example, 21285 + ... + 21848.

It is an arithmetic number, because the mean of its divisors is an integer number (1552824).

Almost surely, 2^12163506 is an apocalyptic number.

12163506 is an abundant number, since it is smaller than the sum of its proper divisors (12681678).

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

12163506 is a wasteful number, since it uses less digits than its factorization.

12163506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43185.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12163506 is about 3487.6218258292. The cubic root of 12163506 is about 229.9779815091.

Adding to 12163506 its reverse (60536121), we get a palindrome (72699627).

The spelling of 12163506 in words is "twelve million, one hundred sixty-three thousand, five hundred six".