12704834 has 8 divisors (see below), whose sum is σ = 19522188. Its totient is φ = 6197440.

The previous prime is 12704827. The next prime is 12704837. The reversal of 12704834 is 43840721.

It can be written as a sum of positive squares in 2 ways, for example, as 8684809 + 4020025 = 2947^2 + 2005^2 .

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

It is a super-2 number, since 2×12704834² = 322825613935112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12704797 and 12704806.

It is not an unprimeable number, because it can be changed into a prime (12704837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77387 + ... + 77550.

Almost surely, 2^12704834 is an apocalyptic number.

12704834 is a deficient number, since it is larger than the sum of its proper divisors (6817354).

12704834 is a wasteful number, since it uses less digits than its factorization.

12704834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154980.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 12704834 is about 3564.3840982700. The cubic root of 12704834 is about 233.3402533095.

The spelling of 12704834 in words is "twelve million, seven hundred four thousand, eight hundred thirty-four".