12740695 has 12 divisors (see below), whose sum is σ = 16805880. Its totient is φ = 9265520.

The previous prime is 12740677. The next prime is 12740699. The reversal of 12740695 is 59604721.

It is not a de Polignac number, because 12740695 - 2¹¹ = 12738647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12740695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740699) 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 in 11 ways as a sum of consecutive naturals, for example, 9925 + ... + 11134.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^12740695 is an apocalyptic number.

12740695 is a deficient number, since it is larger than the sum of its proper divisors (4065185).

12740695 is a wasteful number, since it uses less digits than its factorization.

12740695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21086 (or 21075 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 12740695 is about 3569.4110158400. The cubic root of 12740695 is about 233.5595911897.

The spelling of 12740695 in words is "twelve million, seven hundred forty thousand, six hundred ninety-five".