12857704 has 16 divisors (see below), whose sum is σ = 24348420. Its totient is φ = 6364800.

The previous prime is 12857659. The next prime is 12857711. The reversal of 12857704 is 40775821.

12857704 = T₂₅₁ + T₂₅₂ + ... + T₄₅₂.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10304100 + 2553604 = 3210^2 + 1598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12857704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7149 + ... + 8764.

Almost surely, 2^12857704 is an apocalyptic number.

It is an amenable number.

12857704 is a deficient number, since it is larger than the sum of its proper divisors (11490716).

12857704 is a wasteful number, since it uses less digits than its factorization.

12857704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16020 (or 16016 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 12857704 is about 3585.7640747824. The cubic root of 12857704 is about 234.2724078163.

The spelling of 12857704 in words is "twelve million, eight hundred fifty-seven thousand, seven hundred four".