12932789 has 2 divisors, whose sum is σ = 12932790. Its totient is φ = 12932788.

The previous prime is 12932779. The next prime is 12932819. The reversal of 12932789 is 98723921.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8236900 + 4695889 = 2870^2 + 2167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12932789 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 (12932729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6466394 + 6466395.

It is an arithmetic number, because the mean of its divisors is an integer number (6466395).

Almost surely, 2^12932789 is an apocalyptic number.

It is an amenable number.

12932789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12932789 is an equidigital number, since it uses as much as digits as its factorization.

12932789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 12932789 is about 3596.2187085882. The cubic root of 12932789 is about 234.7275490473.

The spelling of 12932789 in words is "twelve million, nine hundred thirty-two thousand, seven hundred eighty-nine".