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12918414 = 232153069
BaseRepresentation
bin110001010001…
…111010001110
3220022022201210
4301101322032
511301342124
61140515250
7214543005
oct61217216
926268653
1012918414
117323883
1243abb26
1328a4042
141a03c3c
151202a29
hexc51e8e

12918414 has 8 divisors (see below), whose sum is σ = 25836840. Its totient is φ = 4306136.

The previous prime is 12918391. The next prime is 12918421. The reversal of 12918414 is 41481921.

12918414 is digitally balanced in base 2 and base 4, because in such bases 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.

12918414 is an admirable number.

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, 1076529 + ... + 1076540.

It is an arithmetic number, because the mean of its divisors is an integer number (3229605).

Almost surely, 212918414 is an apocalyptic number.

12918414 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.

12918414 is a wasteful number, since it uses less digits than its factorization.

12918414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153074.

The product of its digits is 2304, while the sum is 30.

The square root of 12918414 is about 3594.2195258498. The cubic root of 12918414 is about 234.6405490080.

The spelling of 12918414 in words is "twelve million, nine hundred eighteen thousand, four hundred fourteen".

Divisors: 1 2 3 6 2153069 4306138 6459207 12918414