12857246 has 4 divisors (see below), whose sum is σ = 19285872. Its totient is φ = 6428622.

The previous prime is 12857239. The next prime is 12857267. The reversal of 12857246 is 64275821.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214310 + ... + 3214313.

It is an arithmetic number, because the mean of its divisors is an integer number (4821468).

Almost surely, 2^12857246 is an apocalyptic number.

12857246 is a deficient number, since it is larger than the sum of its proper divisors (6428626).

12857246 is an equidigital number, since it uses as much as digits as its factorization.

12857246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428625.

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

The square root of 12857246 is about 3585.7002105586. The cubic root of 12857246 is about 234.2696261367.

The spelling of 12857246 in words is "twelve million, eight hundred fifty-seven thousand, two hundred forty-six".