12829478 has 4 divisors (see below), whose sum is σ = 19244220. Its totient is φ = 6414738.

The previous prime is 12829471. The next prime is 12829483. The reversal of 12829478 is 87492821.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12829471) by changing a digit.

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 as a sum of consecutive naturals, namely, 3207368 + ... + 3207371.

It is an arithmetic number, because the mean of its divisors is an integer number (4811055).

Almost surely, 2^12829478 is an apocalyptic number.

12829478 is a deficient number, since it is larger than the sum of its proper divisors (6414742).

12829478 is an equidigital number, since it uses as much as digits as its factorization.

12829478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414741.

The product of its digits is 64512, while the sum is 41.

The square root of 12829478 is about 3581.8260705958. The cubic root of 12829478 is about 234.1008526235.

The spelling of 12829478 in words is "twelve million, eight hundred twenty-nine thousand, four hundred seventy-eight".