Base | Representation |
---|---|
bin | 110001100010… |
… | …010010011001 |
3 | 220102201202100 |
4 | 301202102121 |
5 | 11311013442 |
6 | 1142154013 |
7 | 215242410 |
oct | 61422231 |
9 | 26381670 |
10 | 12985497 |
11 | 736a218 |
12 | 4422909 |
13 | 28c8735 |
14 | 1a20477 |
15 | 121784c |
hex | c62499 |
12985497 has 48 divisors (see below), whose sum is σ = 22696960. Its totient is φ = 6998400.
The previous prime is 12985481. The next prime is 12985523. The reversal of 12985497 is 79458921.
12985497 is a `hidden beast` number, since 12 + 98 + 549 + 7 = 666.
It is not a de Polignac number, because 12985497 - 24 = 12985481 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12985447) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119079 + ... + 119187.
Almost surely, 212985497 is an apocalyptic number.
It is an amenable number.
12985497 is a deficient number, since it is larger than the sum of its proper divisors (9711463).
12985497 is a wasteful number, since it uses less digits than its factorization.
12985497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214 (or 211 counting only the distinct ones).
The product of its digits is 181440, while the sum is 45.
The square root of 12985497 is about 3603.5395099818. The cubic root of 12985497 is about 235.0459967306.
The spelling of 12985497 in words is "twelve million, nine hundred eighty-five thousand, four hundred ninety-seven".
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