12977282 has 8 divisors (see below), whose sum is σ = 20093952. Its totient is φ = 6279300.

The previous prime is 12977243. The next prime is 12977287. The reversal of 12977282 is 28277921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12977287) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 104594 + ... + 104717.

It is an arithmetic number, because the mean of its divisors is an integer number (2511744).

Almost surely, 2^12977282 is an apocalyptic number.

12977282 is a deficient number, since it is larger than the sum of its proper divisors (7116670).

12977282 is a wasteful number, since it uses less digits than its factorization.

12977282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209344.

The product of its digits is 28224, while the sum is 38.

The square root of 12977282 is about 3602.3994781257. The cubic root of 12977282 is about 234.9964206487.

The spelling of 12977282 in words is "twelve million, nine hundred seventy-seven thousand, two hundred eighty-two".