12842105 has 8 divisors (see below), whose sum is σ = 15444864. Its totient is φ = 10250800.

The previous prime is 12842083. The next prime is 12842107. The reversal of 12842105 is 50124821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12842105 - 2²² = 8647801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12842107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161 + ... + 5070.

It is an arithmetic number, because the mean of its divisors is an integer number (1930608).

Almost surely, 2^12842105 is an apocalyptic number.

It is an amenable number.

12842105 is a deficient number, since it is larger than the sum of its proper divisors (2602759).

12842105 is an equidigital number, since it uses as much as digits as its factorization.

12842105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 12842105 is about 3583.5882855038. The cubic root of 12842105 is about 234.1776295123.

Adding to 12842105 its reverse (50124821), we get a palindrome (62966926).

The spelling of 12842105 in words is "twelve million, eight hundred forty-two thousand, one hundred five".