12623089 has 2 divisors, whose sum is σ = 12623090. Its totient is φ = 12623088.

The previous prime is 12623077. The next prime is 12623189. The reversal of 12623089 is 98032621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12194064 + 429025 = 3492^2 + 655^2 .

It is an emirp because it is prime and its reverse (98032621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12623089 - 2¹¹ = 12621041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12623089.

It is not a weakly prime, because it can be changed into another prime (12623189) 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, 6311544 + 6311545.

It is an arithmetic number, because the mean of its divisors is an integer number (6311545).

Almost surely, 2^12623089 is an apocalyptic number.

It is an amenable number.

12623089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12623089 is an equidigital number, since it uses as much as digits as its factorization.

12623089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12623089 is about 3552.8986757294. The cubic root of 12623089 is about 232.8387262229.

The spelling of 12623089 in words is "twelve million, six hundred twenty-three thousand, eighty-nine".