12613280 has 48 divisors (see below), whose sum is σ = 30772224. Its totient is φ = 4880640.

The previous prime is 12613243. The next prime is 12613291. The reversal of 12613280 is 8231621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3689 + ... + 6231.

It is an arithmetic number, because the mean of its divisors is an integer number (641088).

Almost surely, 2^12613280 is an apocalyptic number.

12613280 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 12613280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15386112).

12613280 is an abundant number, since it is smaller than the sum of its proper divisors (18158944).

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

12613280 is a wasteful number, since it uses less digits than its factorization.

12613280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2581 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12613280 is about 3551.5179853128. The cubic root of 12613280 is about 232.7784000775.

The spelling of 12613280 in words is "twelve million, six hundred thirteen thousand, two hundred eighty".