12379139 has 2 divisors, whose sum is σ = 12379140. Its totient is φ = 12379138.

The previous prime is 12379109. The next prime is 12379163. The reversal of 12379139 is 93197321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12379139 - 2¹² = 12375043 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12379099 and 12379108.

It is not a weakly prime, because it can be changed into another prime (12379109) 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 as a sum of consecutive naturals, namely, 6189569 + 6189570.

It is an arithmetic number, because the mean of its divisors is an integer number (6189570).

Almost surely, 2^12379139 is an apocalyptic number.

12379139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12379139 is an equidigital number, since it uses as much as digits as its factorization.

12379139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 12379139 is about 3518.4000625284. The cubic root of 12379139 is about 231.3290351713.

The spelling of 12379139 in words is "twelve million, three hundred seventy-nine thousand, one hundred thirty-nine".