12167071 has 4 divisors (see below), whose sum is σ = 13905232. Its totient is φ = 10428912.

The previous prime is 12167063. The next prime is 12167123. The reversal of 12167071 is 17076121.

12167071 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12167071 - 2³ = 12167063 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 (12167021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869070 + ... + 869083.

It is an arithmetic number, because the mean of its divisors is an integer number (3476308).

Almost surely, 2^12167071 is an apocalyptic number.

12167071 is a deficient number, since it is larger than the sum of its proper divisors (1738161).

12167071 is an equidigital number, since it uses as much as digits as its factorization.

12167071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738160.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 12167071 is about 3488.1328816431. The cubic root of 12167071 is about 230.0004473841. Note that the first 3 decimals are identical.

The spelling of 12167071 in words is "twelve million, one hundred sixty-seven thousand, seventy-one".