12179963 has 4 divisors (see below), whose sum is σ = 12189288. Its totient is φ = 12170640.

The previous prime is 12179957. The next prime is 12179989. The reversal of 12179963 is 36997121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12179963 - 2¹⁸ = 11917819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12179953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2306 + ... + 5447.

It is an arithmetic number, because the mean of its divisors is an integer number (3047322).

Almost surely, 2^12179963 is an apocalyptic number.

12179963 is a deficient number, since it is larger than the sum of its proper divisors (9325).

12179963 is an equidigital number, since it uses as much as digits as its factorization.

12179963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324.

The product of its digits is 20412, while the sum is 38.

The square root of 12179963 is about 3489.9803724376. The cubic root of 12179963 is about 230.0816534280.

The spelling of 12179963 in words is "twelve million, one hundred seventy-nine thousand, nine hundred sixty-three".