12655982 has 4 divisors (see below), whose sum is σ = 18983976. Its totient is φ = 6327990.

The previous prime is 12655969. The next prime is 12655997. The reversal of 12655982 is 28955621.

12655982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3163994 + ... + 3163997.

It is an arithmetic number, because the mean of its divisors is an integer number (4745994).

Almost surely, 2^12655982 is an apocalyptic number.

12655982 is a deficient number, since it is larger than the sum of its proper divisors (6327994).

12655982 is an equidigital number, since it uses as much as digits as its factorization.

12655982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327993.

The product of its digits is 43200, while the sum is 38.

The square root of 12655982 is about 3557.5247012495. The cubic root of 12655982 is about 233.0407930197.

The spelling of 12655982 in words is "twelve million, six hundred fifty-five thousand, nine hundred eighty-two".