12829815 has 48 divisors (see below), whose sum is σ = 24350976. Its totient is φ = 6220800.

The previous prime is 12829801. The next prime is 12829819. The reversal of 12829815 is 51892821.

It is not a de Polignac number, because 12829815 - 2⁹ = 12829303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12829815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12829819) 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 in 47 ways as a sum of consecutive naturals, for example, 23445 + ... + 23985.

It is an arithmetic number, because the mean of its divisors is an integer number (507312).

Almost surely, 2^12829815 is an apocalyptic number.

12829815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12829815 is a deficient number, since it is larger than the sum of its proper divisors (11521161).

12829815 is a wasteful number, since it uses less digits than its factorization.

12829815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 597 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 12829815 is about 3581.8731133305. The cubic root of 12829815 is about 234.1029023639.

The spelling of 12829815 in words is "twelve million, eight hundred twenty-nine thousand, eight hundred fifteen".