12673312 has 12 divisors (see below), whose sum is σ = 24950646. Its totient is φ = 6336640.

The previous prime is 12673291. The next prime is 12673357. The reversal of 12673312 is 21337621.

It can be written as a sum of positive squares in only one way, i.e., 6739216 + 5934096 = 2596^2 + 2436^2 .

It is a super-2 number, since 2×12673312² = 321225674098688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197989 + ... + 198052.

Almost surely, 2^12673312 is an apocalyptic number.

It is an amenable number.

12673312 is a deficient number, since it is larger than the sum of its proper divisors (12277334).

12673312 is an equidigital number, since it uses as much as digits as its factorization.

12673312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396051 (or 396043 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 12673312 is about 3559.9595503320. The cubic root of 12673312 is about 233.1471130976.

The spelling of 12673312 in words is "twelve million, six hundred seventy-three thousand, three hundred twelve".