12140039 has 2 divisors, whose sum is σ = 12140040. Its totient is φ = 12140038.

The previous prime is 12139991. The next prime is 12140047. The reversal of 12140039 is 93004121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12140039 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12140039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12140539) 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, 6070019 + 6070020.

It is an arithmetic number, because the mean of its divisors is an integer number (6070020).

Almost surely, 2^12140039 is an apocalyptic number.

12140039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12140039 is an equidigital number, since it uses as much as digits as its factorization.

12140039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12140039 is about 3484.2558746453. The cubic root of 12140039 is about 229.8299877823.

The spelling of 12140039 in words is "twelve million, one hundred forty thousand, thirty-nine".