12796280 has 64 divisors (see below), whose sum is σ = 34352640. Its totient is φ = 4194432.

The previous prime is 12796271. The next prime is 12796309. The reversal of 12796280 is 8269721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 12796280.

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, 5447 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (536760).

Almost surely, 2^12796280 is an apocalyptic number.

12796280 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 12796280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17176320).

12796280 is an abundant number, since it is smaller than the sum of its proper divisors (21556360).

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

12796280 is a wasteful number, since it uses less digits than its factorization.

12796280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 12796280 is about 3577.1888404165. The cubic root of 12796280 is about 233.8987557239.

The spelling of 12796280 in words is "twelve million, seven hundred ninety-six thousand, two hundred eighty".