12913982 has 16 divisors (see below), whose sum is σ = 20820240. Its totient is φ = 5985408.

The previous prime is 12913981. The next prime is 12913991. The reversal of 12913982 is 28931921.

12913982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12913981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557 + ... + 5112.

It is an arithmetic number, because the mean of its divisors is an integer number (1301265).

Almost surely, 2^12913982 is an apocalyptic number.

12913982 is a deficient number, since it is larger than the sum of its proper divisors (7906258).

12913982 is a wasteful number, since it uses less digits than its factorization.

12913982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755.

The product of its digits is 7776, while the sum is 35.

The square root of 12913982 is about 3593.6029274253. The cubic root of 12913982 is about 234.6137127452.

The spelling of 12913982 in words is "twelve million, nine hundred thirteen thousand, nine hundred eighty-two".