12167957 has 2 divisors, whose sum is σ = 12167958. Its totient is φ = 12167956.

The previous prime is 12167951. The next prime is 12167977. The reversal of 12167957 is 75976121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12103441 + 64516 = 3479^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 12167957 - 2¹⁰ = 12166933 is a prime.

It is a Chen prime.

It is equal to p₇₉₈₃₃₈ and since 12167957 and 798338 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12167957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12167951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6083978 + 6083979.

It is an arithmetic number, because the mean of its divisors is an integer number (6083979).

Almost surely, 2^12167957 is an apocalyptic number.

It is an amenable number.

12167957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12167957 is an equidigital number, since it uses as much as digits as its factorization.

12167957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 38.

The square root of 12167957 is about 3488.2598813735. The cubic root of 12167957 is about 230.0060300876.

The spelling of 12167957 in words is "twelve million, one hundred sixty-seven thousand, nine hundred fifty-seven".