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12392212 = 227442579
BaseRepresentation
bin101111010001…
…011100010100
3212022120220211
4233101130110
511133022322
61121335204
7210221620
oct57213424
925276824
1012392212
116aa44a8
124197504
13274b691
141908180
15114bb77
hexbd1714

12392212 has 12 divisors (see below), whose sum is σ = 24784480. Its totient is φ = 5310936.

The previous prime is 12392197. The next prime is 12392221. The reversal of 12392212 is 21229321.

12392212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12392212 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, 221262 + ... + 221317.

Almost surely, 212392212 is an apocalyptic number.

It is an amenable number.

12392212 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.

12392212 is a wasteful number, since it uses less digits than its factorization.

12392212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442590 (or 442588 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 12392212 is about 3520.2573769541. The cubic root of 12392212 is about 231.4104382625.

The spelling of 12392212 in words is "twelve million, three hundred ninety-two thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 442579 885158 1770316 3098053 6196106 12392212