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12860006 = 26430003
BaseRepresentation
bin110001000011…
…101001100110
3220012100121112
4301003221212
511243010011
61135345022
7214210505
oct61035146
926170545
1012860006
117293a05
124382172
132883593
1419ca83c
1511e058b
hexc43a66

12860006 has 4 divisors (see below), whose sum is σ = 19290012. Its totient is φ = 6430002.

The previous prime is 12859997. The next prime is 12860033. The reversal of 12860006 is 60006821.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215000 + ... + 3215003.

It is an arithmetic number, because the mean of its divisors is an integer number (4822503).

Almost surely, 212860006 is an apocalyptic number.

12860006 is a deficient number, since it is larger than the sum of its proper divisors (6430006).

12860006 is an equidigital number, since it uses as much as digits as its factorization.

12860006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430005.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12860006 is about 3586.0850519752. The cubic root of 12860006 is about 234.2863880961.

Adding to 12860006 its reverse (60006821), we get a palindrome (72866827).

The spelling of 12860006 in words is "twelve million, eight hundred sixty thousand, six".

Divisors: 1 2 6430003 12860006