12673280 has 36 divisors (see below), whose sum is σ = 30359532. Its totient is φ = 5068800.

The previous prime is 12673249. The next prime is 12673291. The reversal of 12673280 is 8237621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9048064 + 3625216 = 3008^2 + 1904^2 .

It is a super-2 number, since 2×12673280² = 321224051916800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3671 + ... + 6230.

Almost surely, 2^12673280 is an apocalyptic number.

12673280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12673280 is an abundant number, since it is smaller than the sum of its proper divisors (17686252).

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

12673280 is an frugal number, since it uses more digits than its factorization.

12673280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922 (or 9908 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12673280 is about 3559.9550558961. The cubic root of 12673280 is about 233.1469168660.

The spelling of 12673280 in words is "twelve million, six hundred seventy-three thousand, two hundred eighty".