12970697 has 4 divisors (see below), whose sum is σ = 12987540. Its totient is φ = 12953856.

The previous prime is 12970693. The next prime is 12970709. The reversal of 12970697 is 79607921.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4583881 + 8386816 = 2141^2 + 2896^2 .

It is a cyclic number.

It is not a de Polignac number, because 12970697 - 2² = 12970693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12970691) 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 3 ways as a sum of consecutive naturals, for example, 7208 + ... + 8825.

It is an arithmetic number, because the mean of its divisors is an integer number (3246885).

Almost surely, 2^12970697 is an apocalyptic number.

It is an amenable number.

12970697 is a deficient number, since it is larger than the sum of its proper divisors (16843).

12970697 is an equidigital number, since it uses as much as digits as its factorization.

12970697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16842.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 12970697 is about 3601.4853880031. The cubic root of 12970697 is about 234.9566662213.

The spelling of 12970697 in words is "twelve million, nine hundred seventy thousand, six hundred ninety-seven".