12959623 has 2 divisors, whose sum is σ = 12959624. Its totient is φ = 12959622.

The previous prime is 12959621. The next prime is 12959651. The reversal of 12959623 is 32695921.

It is a weak prime.

It is an emirp because it is prime and its reverse (32695921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12959623 - 2¹ = 12959621 is a prime.

Together with 12959621, it forms a pair of twin primes.

It is equal to p₈₄₆₇₉₃ and since 12959623 and 846793 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12959621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6479811 + 6479812.

It is an arithmetic number, because the mean of its divisors is an integer number (6479812).

Almost surely, 2^12959623 is an apocalyptic number.

12959623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12959623 is an equidigital number, since it uses as much as digits as its factorization.

12959623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 12959623 is about 3599.9476385081. The cubic root of 12959623 is about 234.8897808167.

The spelling of 12959623 in words is "twelve million, nine hundred fifty-nine thousand, six hundred twenty-three".