12014309 has 2 divisors, whose sum is σ = 12014310. Its totient is φ = 12014308.

The previous prime is 12014287. The next prime is 12014311. The reversal of 12014309 is 90341021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11937025 + 77284 = 3455^2 + 278^2 .

It is an emirp because it is prime and its reverse (90341021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12014309 is a prime.

It is a Sophie Germain prime.

Together with 12014311, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12014339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6007154 + 6007155.

It is an arithmetic number, because the mean of its divisors is an integer number (6007155).

Almost surely, 2^12014309 is an apocalyptic number.

It is an amenable number.

12014309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12014309 is an equidigital number, since it uses as much as digits as its factorization.

12014309 is an evil number, because the sum of its binary digits is even.

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

The square root of 12014309 is about 3466.1663260727. The cubic root of 12014309 is about 229.0338107880.

The spelling of 12014309 in words is "twelve million, fourteen thousand, three hundred nine".