12784260 has 48 divisors (see below), whose sum is σ = 36312192. Its totient is φ = 3360000.

The previous prime is 12784259. The next prime is 12784301. The reversal of 12784260 is 6248721.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760 + ... + 5760.

It is an arithmetic number, because the mean of its divisors is an integer number (756504).

Almost surely, 2^12784260 is an apocalyptic number.

12784260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12784260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18156096).

12784260 is an abundant number, since it is smaller than the sum of its proper divisors (23527932).

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

12784260 is a wasteful number, since it uses less digits than its factorization.

12784260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084 (or 3082 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12784260 is about 3575.5083554650. The cubic root of 12784260 is about 233.8254963129.

The spelling of 12784260 in words is "twelve million, seven hundred eighty-four thousand, two hundred sixty".