12806105 has 16 divisors (see below), whose sum is σ = 16633344. Its totient is φ = 9408960.

The previous prime is 12806099. The next prime is 12806111. The reversal of 12806105 is 50160821.

It is an interprime number because it is at equal distance from previous prime (12806099) and next prime (12806111).

It is not a de Polignac number, because 12806105 - 2⁶ = 12806041 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17252 + ... + 17978.

It is an arithmetic number, because the mean of its divisors is an integer number (1039584).

Almost surely, 2^12806105 is an apocalyptic number.

It is an amenable number.

12806105 is a deficient number, since it is larger than the sum of its proper divisors (3827239).

12806105 is a wasteful number, since it uses less digits than its factorization.

12806105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 12806105 is about 3578.5618619775. The cubic root of 12806105 is about 233.9586029966.

Adding to 12806105 its reverse (50160821), we get a palindrome (62966926).

The spelling of 12806105 in words is "twelve million, eight hundred six thousand, one hundred five".