12164071 has 4 divisors (see below), whose sum is σ = 12363544. Its totient is φ = 11964600.

The previous prime is 12164057. The next prime is 12164077. The reversal of 12164071 is 17046121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17046121 = 17 ⋅1002713.

It is a cyclic number.

It is not a de Polignac number, because 12164071 - 2⁵ = 12164039 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 (12164077) 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, 99645 + ... + 99766.

It is an arithmetic number, because the mean of its divisors is an integer number (3090886).

Almost surely, 2^12164071 is an apocalyptic number.

12164071 is a deficient number, since it is larger than the sum of its proper divisors (199473).

12164071 is an equidigital number, since it uses as much as digits as its factorization.

12164071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199472.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 12164071 is about 3487.7028256433. The cubic root of 12164071 is about 229.9815423121.

The spelling of 12164071 in words is "twelve million, one hundred sixty-four thousand, seventy-one".