12346429 has 2 divisors, whose sum is σ = 12346430. Its totient is φ = 12346428.

The previous prime is 12346427. The next prime is 12346487. The reversal of 12346429 is 92464321.

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., 8543929 + 3802500 = 2923^2 + 1950^2 .

It is an emirp because it is prime and its reverse (92464321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12346429 - 2¹ = 12346427 is a prime.

Together with 12346427, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12346429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12346427) 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, 6173214 + 6173215.

It is an arithmetic number, because the mean of its divisors is an integer number (6173215).

Almost surely, 2^12346429 is an apocalyptic number.

It is an amenable number.

12346429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12346429 is an equidigital number, since it uses as much as digits as its factorization.

12346429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 12346429 is about 3513.7485681249. The cubic root of 12346429 is about 231.1251048003.

The spelling of 12346429 in words is "twelve million, three hundred forty-six thousand, four hundred twenty-nine".