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12986044 = 2219241709
BaseRepresentation
bin110001100010…
…011010111100
3220102202111121
4301202122330
511311023134
61142200324
7215244121
oct61423274
926382447
1012986044
11736a675
1244230a4
1328c8a66
141a20748
151217ab4
hexc626bc

12986044 has 24 divisors (see below), whose sum is σ = 24054800. Its totient is φ = 6117120.

The previous prime is 12986041. The next prime is 12986081. The reversal of 12986044 is 44068921.

12986044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986041) 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, 17962 + ... + 18670.

Almost surely, 212986044 is an apocalyptic number.

It is an amenable number.

12986044 is a deficient number, since it is larger than the sum of its proper divisors (11068756).

12986044 is a wasteful number, since it uses less digits than its factorization.

12986044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 12986044 is about 3603.6154067825. The cubic root of 12986044 is about 235.0492970369.

The spelling of 12986044 in words is "twelve million, nine hundred eighty-six thousand, forty-four".

Divisors: 1 2 4 19 38 76 241 482 709 964 1418 2836 4579 9158 13471 18316 26942 53884 170869 341738 683476 3246511 6493022 12986044