12929738 has 8 divisors (see below), whose sum is σ = 19437888. Its totient is φ = 6450444.

The previous prime is 12929729. The next prime is 12929753. The reversal of 12929738 is 83792921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12929695 and 12929704.

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, 6056 + ... + 7907.

It is an arithmetic number, because the mean of its divisors is an integer number (2429736).

Almost surely, 2^12929738 is an apocalyptic number.

12929738 is a deficient number, since it is larger than the sum of its proper divisors (6508150).

12929738 is a wasteful number, since it uses less digits than its factorization.

12929738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428.

The product of its digits is 54432, while the sum is 41.

The square root of 12929738 is about 3595.7944880096. The cubic root of 12929738 is about 234.7090892478.

The spelling of 12929738 in words is "twelve million, nine hundred twenty-nine thousand, seven hundred thirty-eight".