12329428 has 12 divisors (see below), whose sum is σ = 21670740. Its totient is φ = 6137792.

The previous prime is 12329411. The next prime is 12329431. The reversal of 12329428 is 82492321.

It can be written as a sum of positive squares in 2 ways, for example, as 8749764 + 3579664 = 2958^2 + 1892^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12329428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5683 + ... + 7546.

It is an arithmetic number, because the mean of its divisors is an integer number (1805895).

Almost surely, 2^12329428 is an apocalyptic number.

It is an amenable number.

12329428 is a deficient number, since it is larger than the sum of its proper divisors (9341312).

12329428 is a wasteful number, since it uses less digits than its factorization.

12329428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13466 (or 13464 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 12329428 is about 3511.3285235079. The cubic root of 12329428 is about 231.0189698507.

The spelling of 12329428 in words is "twelve million, three hundred twenty-nine thousand, four hundred twenty-eight".