12857260 has 24 divisors (see below), whose sum is σ = 29077776. Its totient is φ = 4747200.

The previous prime is 12857239. The next prime is 12857267. The reversal of 12857260 is 6275821.

12857260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12857267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24466 + ... + 24985.

It is an arithmetic number, because the mean of its divisors is an integer number (1211574).

Almost surely, 2^12857260 is an apocalyptic number.

12857260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12857260 is an abundant number, since it is smaller than the sum of its proper divisors (16220516).

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

12857260 is a wasteful number, since it uses less digits than its factorization.

12857260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49473 (or 49471 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 12857260 is about 3585.7021627570. The cubic root of 12857260 is about 234.2697111672.

The spelling of 12857260 in words is "twelve million, eight hundred fifty-seven thousand, two hundred sixty".