12877982 has 8 divisors (see below), whose sum is σ = 20802936. Its totient is φ = 5943672.

The previous prime is 12877981. The next prime is 12878017. The reversal of 12877982 is 28977821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12877981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247628 + ... + 247679.

It is an arithmetic number, because the mean of its divisors is an integer number (2600367).

Almost surely, 2^12877982 is an apocalyptic number.

12877982 is a deficient number, since it is larger than the sum of its proper divisors (7924954).

12877982 is a wasteful number, since it uses less digits than its factorization.

12877982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495322.

The product of its digits is 112896, while the sum is 44.

The square root of 12877982 is about 3588.5905311139. The cubic root of 12877982 is about 234.3955008319.

The spelling of 12877982 in words is "twelve million, eight hundred seventy-seven thousand, nine hundred eighty-two".