Base | Representation |
---|---|
bin | 110001001010… |
… | …010111001000 |
3 | 220020202022200 |
4 | 301022113020 |
5 | 11244344441 |
6 | 1140120200 |
7 | 214353606 |
oct | 61122710 |
9 | 26222280 |
10 | 12887496 |
11 | 7302626 |
12 | 4396060 |
13 | 2892c4b |
14 | 19d6876 |
15 | 11e87b6 |
hex | c4a5c8 |
12887496 has 48 divisors (see below), whose sum is σ = 36960300. Its totient is φ = 4042752.
The previous prime is 12887477. The next prime is 12887509. The reversal of 12887496 is 69478821.
It can be written as a sum of positive squares in 2 ways, for example, as 11655396 + 1232100 = 3414^2 + 1110^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4041 + ... + 6488.
Almost surely, 212887496 is an apocalyptic number.
It is an amenable number.
12887496 is an abundant number, since it is smaller than the sum of its proper divisors (24072804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12887496 is a wasteful number, since it uses less digits than its factorization.
12887496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10558 (or 10551 counting only the distinct ones).
The product of its digits is 193536, while the sum is 45.
The square root of 12887496 is about 3589.9158764517. The cubic root of 12887496 is about 234.4532088861.
The spelling of 12887496 in words is "twelve million, eight hundred eighty-seven thousand, four hundred ninety-six".
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