Base | Representation |
---|---|
bin | 101111101000… |
… | …101011101100 |
3 | 212111102111110 |
4 | 233220223230 |
5 | 11144044104 |
6 | 1123352020 |
7 | 211066266 |
oct | 57505354 |
9 | 25442443 |
10 | 12487404 |
11 | 7059a76 |
12 | 4222610 |
13 | 2782ac7 |
14 | 1930b36 |
15 | 1169e89 |
hex | be8aec |
12487404 has 24 divisors (see below), whose sum is σ = 29398320. Its totient is φ = 4125184.
The previous prime is 12487403. The next prime is 12487417. The reversal of 12487404 is 40478421.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (12487403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3249 + ... + 5960.
It is an arithmetic number, because the mean of its divisors is an integer number (1224930).
Almost surely, 212487404 is an apocalyptic number.
It is an amenable number.
12487404 is an abundant number, since it is smaller than the sum of its proper divisors (16910916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12487404 is a wasteful number, since it uses less digits than its factorization.
12487404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9329 (or 9327 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 30.
The square root of 12487404 is about 3533.7521135473. The cubic root of 12487404 is about 232.0014615445.
The spelling of 12487404 in words is "twelve million, four hundred eighty-seven thousand, four hundred four".
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