12175139 has 2 divisors, whose sum is σ = 12175140. Its totient is φ = 12175138.

The previous prime is 12175133. The next prime is 12175147. The reversal of 12175139 is 93157121.

12175139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12175139 - 2⁴ = 12175123 is a prime.

It is not a weakly prime, because it can be changed into another prime (12175133) 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, 6087569 + 6087570.

It is an arithmetic number, because the mean of its divisors is an integer number (6087570).

Almost surely, 2^12175139 is an apocalyptic number.

12175139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12175139 is an equidigital number, since it uses as much as digits as its factorization.

12175139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 29.

The square root of 12175139 is about 3489.2891826273. The cubic root of 12175139 is about 230.0512740128.

The spelling of 12175139 in words is "twelve million, one hundred seventy-five thousand, one hundred thirty-nine".