12163839 has 8 divisors (see below), whose sum is σ = 16614192. Its totient is φ = 7911360.

The previous prime is 12163831. The next prime is 12163841. The reversal of 12163839 is 93836121.

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

It is not a de Polignac number, because 12163839 - 2³ = 12163831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12163831) 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 7 ways as a sum of consecutive naturals, for example, 49324 + ... + 49569.

It is an arithmetic number, because the mean of its divisors is an integer number (2076774).

Almost surely, 2^12163839 is an apocalyptic number.

12163839 is a deficient number, since it is larger than the sum of its proper divisors (4450353).

12163839 is an equidigital number, since it uses as much as digits as its factorization.

12163839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98937.

The product of its digits is 7776, while the sum is 33.

The square root of 12163839 is about 3487.6695657702. The cubic root of 12163839 is about 229.9800801904.

The spelling of 12163839 in words is "twelve million, one hundred sixty-three thousand, eight hundred thirty-nine".