12970197 has 6 divisors (see below), whose sum is σ = 18734742. Its totient is φ = 8646792.

The previous prime is 12970193. The next prime is 12970207. The reversal of 12970197 is 79107921.

It can be written as a sum of positive squares in only one way, i.e., 12916836 + 53361 = 3594^2 + 231^2 .

It is not a de Polignac number, because 12970197 - 2² = 12970193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12970193) 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 5 ways as a sum of consecutive naturals, for example, 720558 + ... + 720575.

It is an arithmetic number, because the mean of its divisors is an integer number (3122457).

Almost surely, 2^12970197 is an apocalyptic number.

It is an amenable number.

12970197 is a deficient number, since it is larger than the sum of its proper divisors (5764545).

12970197 is a wasteful number, since it uses less digits than its factorization.

12970197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441139 (or 1441136 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 12970197 is about 3601.4159715312. The cubic root of 12970197 is about 234.9536471124.

The spelling of 12970197 in words is "twelve million, nine hundred seventy thousand, one hundred ninety-seven".