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12886606 = 221792957
BaseRepresentation
bin110001001010…
…001001001110
3220020201002201
4301022021032
511244332411
61140112114
7214351165
oct61121116
926221081
1012886606
117301997
12439563a
132892715
1419d63dc
1511e83c1
hexc4a24e

12886606 has 8 divisors (see below), whose sum is σ = 19345320. Its totient is φ = 6438168.

The previous prime is 12886589. The next prime is 12886649. The reversal of 12886606 is 60668821.

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

It is a super-2 number, since 2×128866062 = 332129228398472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2880 + ... + 5836.

It is an arithmetic number, because the mean of its divisors is an integer number (2418165).

Almost surely, 212886606 is an apocalyptic number.

12886606 is a deficient number, since it is larger than the sum of its proper divisors (6458714).

12886606 is a wasteful number, since it uses less digits than its factorization.

12886606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 12886606 is about 3589.7919159751. The cubic root of 12886606 is about 234.4478117125.

The spelling of 12886606 in words is "twelve million, eight hundred eighty-six thousand, six hundred six".

Divisors: 1 2 2179 2957 4358 5914 6443303 12886606