Base | Representation |
---|---|
bin | 110001000111… |
… | …101101001000 |
3 | 220020012101201 |
4 | 301013231020 |
5 | 11244022431 |
6 | 1135553544 |
7 | 214310104 |
oct | 61075510 |
9 | 26205351 |
10 | 12876616 |
11 | 72a5435 |
12 | 438b8b4 |
13 | 288accc |
14 | 19d2904 |
15 | 11e5461 |
hex | c47b48 |
12876616 has 32 divisors (see below), whose sum is σ = 25934040. Its totient is φ = 5971968.
The previous prime is 12876613. The next prime is 12876641. The reversal of 12876616 is 61667821.
It can be written as a sum of positive squares in 4 ways, for example, as 12574116 + 302500 = 3546^2 + 550^2 .
It is a super-2 number, since 2×128766162 = 331614479222912, which contains 22 as substring.
It is a plaindrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (12876613) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9280 + ... + 10576.
Almost surely, 212876616 is an apocalyptic number.
It is an amenable number.
12876616 is an abundant number, since it is smaller than the sum of its proper divisors (13057424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12876616 is a wasteful number, since it uses less digits than its factorization.
12876616 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1393 (or 1389 counting only the distinct ones).
The product of its digits is 24192, while the sum is 37.
The square root of 12876616 is about 3588.4002006465. The cubic root of 12876616 is about 234.3872128984.
The spelling of 12876616 in words is "twelve million, eight hundred seventy-six thousand, six hundred sixteen".
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