12328637 has 2 divisors, whose sum is σ = 12328638. Its totient is φ = 12328636.

The previous prime is 12328633. The next prime is 12328643. The reversal of 12328637 is 73682321.

It is a happy number.

12328637 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 can be written as a sum of positive squares in only one way, i.e., 9156676 + 3171961 = 3026^2 + 1781^2 .

It is an emirp because it is prime and its reverse (73682321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12328637 - 2² = 12328633 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12328633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6164318 + 6164319.

It is an arithmetic number, because the mean of its divisors is an integer number (6164319).

Almost surely, 2^12328637 is an apocalyptic number.

It is an amenable number.

12328637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12328637 is an equidigital number, since it uses as much as digits as its factorization.

12328637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 12328637 is about 3511.2158862707. The cubic root of 12328637 is about 231.0140293698.

The spelling of 12328637 in words is "twelve million, three hundred twenty-eight thousand, six hundred thirty-seven".