12671695 has 16 divisors (see below), whose sum is σ = 15837120. Its totient is φ = 9721600.

The previous prime is 12671683. The next prime is 12671719. The reversal of 12671695 is 59617621.

It is not a de Polignac number, because 12671695 - 2¹⁷ = 12540623 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 40590 + ... + 40900.

It is an arithmetic number, because the mean of its divisors is an integer number (989820).

Almost surely, 2^12671695 is an apocalyptic number.

12671695 is a deficient number, since it is larger than the sum of its proper divisors (3165425).

12671695 is a wasteful number, since it uses less digits than its factorization.

12671695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its digits is 22680, while the sum is 37.

The square root of 12671695 is about 3559.7324337652. The cubic root of 12671695 is about 233.1371968548.

It can be divided in two parts, 12671 and 695, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 12671695 in words is "twelve million, six hundred seventy-one thousand, six hundred ninety-five".