12570280 has 16 divisors (see below), whose sum is σ = 28283220. Its totient is φ = 5028096.

The previous prime is 12570263. The next prime is 12570281. The reversal of 12570280 is 8207521.

It can be written as a sum of positive squares in 2 ways, for example, as 11792356 + 777924 = 3434^2 + 882^2 .

It is not an unprimeable number, because it can be changed into a prime (12570281) 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, 157089 + ... + 157168.

Almost surely, 2^12570280 is an apocalyptic number.

12570280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12570280 is an abundant number, since it is smaller than the sum of its proper divisors (15712940).

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

12570280 is a wasteful number, since it uses less digits than its factorization.

12570280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314268 (or 314264 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 12570280 is about 3545.4590675962. The cubic root of 12570280 is about 232.5135768847.

The spelling of 12570280 in words is "twelve million, five hundred seventy thousand, two hundred eighty".