12693671 has 2 divisors, whose sum is σ = 12693672. Its totient is φ = 12693670.

The previous prime is 12693649. The next prime is 12693689. The reversal of 12693671 is 17639621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12693671 - 2²² = 8499367 is a prime.

It is a super-2 number, since 2×12693671² = 322258566912482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12695671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6346835 + 6346836.

It is an arithmetic number, because the mean of its divisors is an integer number (6346836).

Almost surely, 2^12693671 is an apocalyptic number.

12693671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12693671 is an equidigital number, since it uses as much as digits as its factorization.

12693671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 12693671 is about 3562.8178454701. The cubic root of 12693671 is about 233.2718924397.

The spelling of 12693671 in words is "twelve million, six hundred ninety-three thousand, six hundred seventy-one".