12911167 has 4 divisors (see below), whose sum is σ = 12918640. Its totient is φ = 12903696.

The previous prime is 12911161. The next prime is 12911191. The reversal of 12911167 is 76111921.

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, and also an emirpimes, since its reverse is a distinct semiprime: 76111921 = 29 ⋅2624549.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12911167 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 (12911161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334 + ... + 5092.

It is an arithmetic number, because the mean of its divisors is an integer number (3229660).

Almost surely, 2^12911167 is an apocalyptic number.

12911167 is a deficient number, since it is larger than the sum of its proper divisors (7473).

12911167 is an equidigital number, since it uses as much as digits as its factorization.

12911167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7472.

The product of its digits is 756, while the sum is 28.

The square root of 12911167 is about 3593.2112378762. The cubic root of 12911167 is about 234.5966644122.

The spelling of 12911167 in words is "twelve million, nine hundred eleven thousand, one hundred sixty-seven".