12800429 has 2 divisors, whose sum is σ = 12800430. Its totient is φ = 12800428.

The previous prime is 12800419. The next prime is 12800453. The reversal of 12800429 is 92400821.

12800429 is digitally balanced in base 2, 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., 12709225 + 91204 = 3565^2 + 302^2 .

It is a cyclic number.

It is not a de Polignac number, because 12800429 - 2⁸ = 12800173 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12800398 and 12800407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12800419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6400214 + 6400215.

It is an arithmetic number, because the mean of its divisors is an integer number (6400215).

Almost surely, 2^12800429 is an apocalyptic number.

It is an amenable number.

12800429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12800429 is an equidigital number, since it uses as much as digits as its factorization.

12800429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12800429 is about 3577.7687180700. The cubic root of 12800429 is about 233.9240323687.

The spelling of 12800429 in words is "twelve million, eight hundred thousand, four hundred twenty-nine".