12163967 has 4 divisors (see below), whose sum is σ = 12178656. Its totient is φ = 12149280.

The previous prime is 12163961. The next prime is 12163973. The reversal of 12163967 is 76936121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76936121 = 4093 ⋅18797.

It is an interprime number because it is at equal distance from previous prime (12163961) and next prime (12163973).

It is a cyclic number.

It is not a de Polignac number, because 12163967 - 2⁴ = 12163951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12163961) 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, 6023 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (3044664).

Almost surely, 2^12163967 is an apocalyptic number.

12163967 is a deficient number, since it is larger than the sum of its proper divisors (14689).

12163967 is an equidigital number, since it uses as much as digits as its factorization.

12163967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14688.

The product of its digits is 13608, while the sum is 35.

The square root of 12163967 is about 3487.6879160842. The cubic root of 12163967 is about 229.9808868805.

The spelling of 12163967 in words is "twelve million, one hundred sixty-three thousand, nine hundred sixty-seven".