12845280 has 96 divisors (see below), whose sum is σ = 46255104. Its totient is φ = 2935296.

The previous prime is 12845279. The next prime is 12845291. The reversal of 12845280 is 8254821.

It is a tau number, because it is divible by the number of its divisors (96).

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (481824).

Almost surely, 2^12845280 is an apocalyptic number.

12845280 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 12845280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23127552).

12845280 is an abundant number, since it is smaller than the sum of its proper divisors (33409824).

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

12845280 is a wasteful number, since it uses less digits than its factorization.

12845280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848 (or 3840 counting only the distinct ones).

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

The square root of 12845280 is about 3584.0312498638. The cubic root of 12845280 is about 234.1969267824.

The spelling of 12845280 in words is "twelve million, eight hundred forty-five thousand, two hundred eighty".