12856274 has 8 divisors (see below), whose sum is σ = 20299440. Its totient is φ = 6089796.

The previous prime is 12856273. The next prime is 12856321. The reversal of 12856274 is 47265821.

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

It is not an unprimeable number, because it can be changed into a prime (12856271) 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 3 ways as a sum of consecutive naturals, for example, 169124 + ... + 169199.

It is an arithmetic number, because the mean of its divisors is an integer number (2537430).

Almost surely, 2^12856274 is an apocalyptic number.

12856274 is a deficient number, since it is larger than the sum of its proper divisors (7443166).

12856274 is a wasteful number, since it uses less digits than its factorization.

12856274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338344.

The product of its digits is 26880, while the sum is 35.

The square root of 12856274 is about 3585.5646696162. The cubic root of 12856274 is about 234.2637224407.

The spelling of 12856274 in words is "twelve million, eight hundred fifty-six thousand, two hundred seventy-four".