12682505 has 16 divisors (see below), whose sum is σ = 16680384. Its totient is φ = 9180480.

The previous prime is 12682487. The next prime is 12682507. The reversal of 12682505 is 50528621.

12682505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12682505 - 2²² = 8488201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12682507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15722 + ... + 16508.

It is an arithmetic number, because the mean of its divisors is an integer number (1042524).

Almost surely, 2^12682505 is an apocalyptic number.

It is an amenable number.

12682505 is a deficient number, since it is larger than the sum of its proper divisors (3997879).

12682505 is a wasteful number, since it uses less digits than its factorization.

12682505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 12682505 is about 3561.2504826254. The cubic root of 12682505 is about 233.2034730920.

It can be divided in two parts, 1268 and 2505, that added together give a palindrome (3773).

The spelling of 12682505 in words is "twelve million, six hundred eighty-two thousand, five hundred five".