12680395 has 48 divisors (see below), whose sum is σ = 20018880. Its totient is φ = 7499520.

The previous prime is 12680377. The next prime is 12680401. The reversal of 12680395 is 59308621.

12680395 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 12680395 - 2⁵ = 12680363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12680395.

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 47 ways as a sum of consecutive naturals, for example, 409030 + ... + 409060.

It is an arithmetic number, because the mean of its divisors is an integer number (417060).

Almost surely, 2^12680395 is an apocalyptic number.

12680395 is a deficient number, since it is larger than the sum of its proper divisors (7338485).

12680395 is a wasteful number, since it uses less digits than its factorization.

12680395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 12680395 is about 3560.9542260467. The cubic root of 12680395 is about 233.1905396160.

The spelling of 12680395 in words is "twelve million, six hundred eighty thousand, three hundred ninety-five".