12970705 has 16 divisors (see below), whose sum is σ = 17138304. Its totient is φ = 9345280.

The previous prime is 12970693. The next prime is 12970709. The reversal of 12970705 is 50707921.

It is not a de Polignac number, because 12970705 - 2⁷ = 12970577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12970709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5172 + ... + 7258.

It is an arithmetic number, because the mean of its divisors is an integer number (1071144).

Almost surely, 2^12970705 is an apocalyptic number.

It is an amenable number.

12970705 is a deficient number, since it is larger than the sum of its proper divisors (4167599).

12970705 is a wasteful number, since it uses less digits than its factorization.

12970705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 12970705 is about 3601.4864986558. The cubic root of 12970705 is about 234.9567145265.

The spelling of 12970705 in words is "twelve million, nine hundred seventy thousand, seven hundred five".