12163812 has 24 divisors (see below), whose sum is σ = 28459200. Its totient is φ = 4043616.

The previous prime is 12163807. The next prime is 12163813. The reversal of 12163812 is 21836121.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12163813) 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 7 ways as a sum of consecutive naturals, for example, 4114 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (1185800).

Almost surely, 2^12163812 is an apocalyptic number.

12163812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12163812 is an abundant number, since it is smaller than the sum of its proper divisors (16295388).

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

12163812 is a wasteful number, since it uses less digits than its factorization.

12163812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755 (or 2753 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 12163812 is about 3487.6656949886. The cubic root of 12163812 is about 229.9799100285.

Adding to 12163812 its reverse (21836121), we get a palindrome (33999933).

The spelling of 12163812 in words is "twelve million, one hundred sixty-three thousand, eight hundred twelve".