12584280 has 32 divisors (see below), whose sum is σ = 37753200. Its totient is φ = 3355776.

The previous prime is 12584263. The next prime is 12584291. The reversal of 12584280 is 8248521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52315 + ... + 52554.

Almost surely, 2^12584280 is an apocalyptic number.

12584280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12584280 is an abundant number, since it is smaller than the sum of its proper divisors (25168920).

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

12584280 is a wasteful number, since it uses less digits than its factorization.

12584280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104883 (or 104879 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 12584280 is about 3547.4328746292. The cubic root of 12584280 is about 232.5998646033.

The spelling of 12584280 in words is "twelve million, five hundred eighty-four thousand, two hundred eighty".