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12849918 = 232141653
BaseRepresentation
bin110001000001…
…001011111110
3220011211202220
4301001023332
511242144133
61135230210
7214136214
oct61011376
926154686
1012849918
117287374
124378366
13287bb03
1419c6cb4
1511dc5b3
hexc412fe

12849918 has 8 divisors (see below), whose sum is σ = 25699848. Its totient is φ = 4283304.

The previous prime is 12849913. The next prime is 12849919. The reversal of 12849918 is 81994821.

12849918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12849918 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12849918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12849911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070821 + ... + 1070832.

It is an arithmetic number, because the mean of its divisors is an integer number (3212481).

Almost surely, 212849918 is an apocalyptic number.

12849918 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.

12849918 is a wasteful number, since it uses less digits than its factorization.

12849918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141658.

The product of its digits is 41472, while the sum is 42.

The square root of 12849918 is about 3584.6782282375. The cubic root of 12849918 is about 234.2251102771.

The spelling of 12849918 in words is "twelve million, eight hundred forty-nine thousand, nine hundred eighteen".

Divisors: 1 2 3 6 2141653 4283306 6424959 12849918