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12986036 = 227463787
BaseRepresentation
bin110001100010…
…011010110100
3220102202111022
4301202122310
511311023121
61142200312
7215244110
oct61423264
926382438
1012986036
11736a668
124423098
1328c8a5b
141a20740
151217aab
hexc626b4

12986036 has 12 divisors (see below), whose sum is σ = 25972128. Its totient is φ = 5565432.

The previous prime is 12986033. The next prime is 12986041. The reversal of 12986036 is 63068921.

12986036 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12985987 and 12986005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986033) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 231866 + ... + 231921.

It is an arithmetic number, because the mean of its divisors is an integer number (2164344).

Almost surely, 212986036 is an apocalyptic number.

It is an amenable number.

12986036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12986036 is a wasteful number, since it uses less digits than its factorization.

12986036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463798 (or 463796 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 12986036 is about 3603.6142967859. The cubic root of 12986036 is about 235.0492487698.

The spelling of 12986036 in words is "twelve million, nine hundred eighty-six thousand, thirty-six".

Divisors: 1 2 4 7 14 28 463787 927574 1855148 3246509 6493018 12986036