12729794 has 32 divisors (see below), whose sum is σ = 24026112. Its totient is φ = 4914000.

The previous prime is 12729779. The next prime is 12729797. The reversal of 12729794 is 49792721.

It is not an unprimeable number, because it can be changed into a prime (12729797) 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 in 15 ways as a sum of consecutive naturals, for example, 19859 + ... + 20489.

It is an arithmetic number, because the mean of its divisors is an integer number (750816).

Almost surely, 2^12729794 is an apocalyptic number.

12729794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12729794 is a deficient number, since it is larger than the sum of its proper divisors (11296318).

12729794 is a wasteful number, since it uses less digits than its factorization.

12729794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its digits is 63504, while the sum is 41.

The square root of 12729794 is about 3567.8836864449. The cubic root of 12729794 is about 233.4929606126.

The spelling of 12729794 in words is "twelve million, seven hundred twenty-nine thousand, seven hundred ninety-four".