12139327 has 2 divisors, whose sum is σ = 12139328. Its totient is φ = 12139326.

The previous prime is 12139319. The next prime is 12139349. The reversal of 12139327 is 72393121.

12139327 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 12139327 - 2³ = 12139319 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12139295 and 12139304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12139307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6069663 + 6069664.

It is an arithmetic number, because the mean of its divisors is an integer number (6069664).

Almost surely, 2^12139327 is an apocalyptic number.

12139327 is a deficient number, since it is larger than the sum of its proper divisors (1).

12139327 is an equidigital number, since it uses as much as digits as its factorization.

12139327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 12139327 is about 3484.1536992504. The cubic root of 12139327 is about 229.8254946020.

The spelling of 12139327 in words is "twelve million, one hundred thirty-nine thousand, three hundred twenty-seven".