12821704 has 16 divisors (see below), whose sum is σ = 27475200. Its totient is φ = 5494992.

The previous prime is 12821701. The next prime is 12821717. The reversal of 12821704 is 40712821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12821701) 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, 114424 + ... + 114535.

It is an arithmetic number, because the mean of its divisors is an integer number (1717200).

Almost surely, 2^12821704 is an apocalyptic number.

12821704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12821704 is an abundant number, since it is smaller than the sum of its proper divisors (14653496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12821704 is a wasteful number, since it uses less digits than its factorization.

12821704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228972 (or 228968 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12821704 is about 3580.7407054966. The cubic root of 12821704 is about 234.0535587341.

The spelling of 12821704 in words is "twelve million, eight hundred twenty-one thousand, seven hundred four".