12971683 has 2 divisors, whose sum is σ = 12971684. Its totient is φ = 12971682.

The previous prime is 12971677. The next prime is 12971743. The reversal of 12971683 is 38617921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12971683 is a prime.

It is not a weakly prime, because it can be changed into another prime (12971603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6485841 + 6485842.

It is an arithmetic number, because the mean of its divisors is an integer number (6485842).

Almost surely, 2^12971683 is an apocalyptic number.

12971683 is a deficient number, since it is larger than the sum of its proper divisors (1).

12971683 is an equidigital number, since it uses as much as digits as its factorization.

12971683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 12971683 is about 3601.6222733652. The cubic root of 12971683 is about 234.9626196769.

The spelling of 12971683 in words is "twelve million, nine hundred seventy-one thousand, six hundred eighty-three".