12857486 has 4 divisors (see below), whose sum is σ = 19286232. Its totient is φ = 6428742.

The previous prime is 12857443. The next prime is 12857489. The reversal of 12857486 is 68475821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12857489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214370 + ... + 3214373.

It is an arithmetic number, because the mean of its divisors is an integer number (4821558).

Almost surely, 2^12857486 is an apocalyptic number.

12857486 is a deficient number, since it is larger than the sum of its proper divisors (6428746).

12857486 is an equidigital number, since it uses as much as digits as its factorization.

12857486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428745.

The product of its digits is 107520, while the sum is 41.

The square root of 12857486 is about 3585.7336766693. The cubic root of 12857486 is about 234.2710837936.

The spelling of 12857486 in words is "twelve million, eight hundred fifty-seven thousand, four hundred eighty-six".