Base | Representation |
---|---|
bin | 110001001111… |
… | …010110111010 |
3 | 220021210101200 |
4 | 301033112322 |
5 | 11301023322 |
6 | 1140355030 |
7 | 214500354 |
oct | 61172672 |
9 | 26253350 |
10 | 12907962 |
11 | 7316a41 |
12 | 43a5a76 |
13 | 289c362 |
14 | 1a000d4 |
15 | 11ee8ac |
hex | c4f5ba |
12907962 has 12 divisors (see below), whose sum is σ = 27967290. Its totient is φ = 4302648.
The previous prime is 12907949. The next prime is 12907963. The reversal of 12907962 is 26970921.
It can be written as a sum of positive squares in only one way, i.e., 10055241 + 2852721 = 3171^2 + 1689^2 .
It is not an unprimeable number, because it can be changed into a prime (12907963) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358537 + ... + 358572.
Almost surely, 212907962 is an apocalyptic number.
12907962 is an abundant number, since it is smaller than the sum of its proper divisors (15059328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12907962 is a wasteful number, since it uses less digits than its factorization.
12907962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 717117 (or 717114 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 12907962 is about 3592.7652302927. The cubic root of 12907962 is about 234.5772511263.
The spelling of 12907962 in words is "twelve million, nine hundred seven thousand, nine hundred sixty-two".
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