12857298 has 8 divisors (see below), whose sum is σ = 25714608. Its totient is φ = 4285764.

The previous prime is 12857297. The next prime is 12857333. The reversal of 12857298 is 89275821.

12857298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12857298 is an admirable number.

It is a super-2 number, since 2×12857298² = 330620223721608, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12857297) 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, 1071436 + ... + 1071447.

It is an arithmetic number, because the mean of its divisors is an integer number (3214326).

Almost surely, 2^12857298 is an apocalyptic number.

12857298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12857298 is a wasteful number, since it uses less digits than its factorization.

12857298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142888.

The product of its digits is 80640, while the sum is 42.

The square root of 12857298 is about 3585.7074615757. The cubic root of 12857298 is about 234.2699419639.

The spelling of 12857298 in words is "twelve million, eight hundred fifty-seven thousand, two hundred ninety-eight".