12932429 has 2 divisors, whose sum is σ = 12932430. Its totient is φ = 12932428.

The previous prime is 12932399. The next prime is 12932431. The reversal of 12932429 is 92423921.

12932429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11744329 + 1188100 = 3427^2 + 1090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12932429 is a prime.

It is a Sophie Germain prime.

Together with 12932431, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12932395 and 12932404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12932329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6466214 + 6466215.

It is an arithmetic number, because the mean of its divisors is an integer number (6466215).

Almost surely, 2^12932429 is an apocalyptic number.

It is an amenable number.

12932429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12932429 is an equidigital number, since it uses as much as digits as its factorization.

12932429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 12932429 is about 3596.1686556668. The cubic root of 12932429 is about 234.7253710509.

The spelling of 12932429 in words is "twelve million, nine hundred thirty-two thousand, four hundred twenty-nine".