12982739 has 16 divisors (see below), whose sum is σ = 16316160. Its totient is φ = 10035360.

The previous prime is 12982729. The next prime is 12982751. The reversal of 12982739 is 93728921.

It is a happy number.

12982739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12982739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12982696 and 12982705.

It is not an unprimeable number, because it can be changed into a prime (12982709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10097 + ... + 11309.

It is an arithmetic number, because the mean of its divisors is an integer number (1019760).

Almost surely, 2^12982739 is an apocalyptic number.

12982739 is a deficient number, since it is larger than the sum of its proper divisors (3333421).

12982739 is a wasteful number, since it uses less digits than its factorization.

12982739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370.

The product of its digits is 54432, while the sum is 41.

The square root of 12982739 is about 3603.1568103539. The cubic root of 12982739 is about 235.0293550171.

The spelling of 12982739 in words is "twelve million, nine hundred eighty-two thousand, seven hundred thirty-nine".