12841405 has 16 divisors (see below), whose sum is σ = 16221744. Its totient is φ = 9745920.

The previous prime is 12841393. The next prime is 12841417. The reversal of 12841405 is 50414821.

12841405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12841393) and next prime (12841417).

It can be written as a sum of positive squares in 8 ways, for example, as 436921 + 12404484 = 661^2 + 3522^2 .

It is not a de Polignac number, because 12841405 - 2⁷ = 12841277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12841405.

It is a congruent 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, 6739 + ... + 8431.

It is an arithmetic number, because the mean of its divisors is an integer number (1013859).

Almost surely, 2^12841405 is an apocalyptic number.

It is an amenable number.

12841405 is a deficient number, since it is larger than the sum of its proper divisors (3380339).

12841405 is a wasteful number, since it uses less digits than its factorization.

12841405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 12841405 is about 3583.4906167032. The cubic root of 12841405 is about 234.1733745681.

The spelling of 12841405 in words is "twelve million, eight hundred forty-one thousand, four hundred five".