Base | Representation |
---|---|
bin | 110000010111… |
… | …000111111111 |
3 | 212212002102220 |
4 | 300113013333 |
5 | 11221141011 |
6 | 1131420423 |
7 | 212521011 |
oct | 60270777 |
9 | 25762386 |
10 | 12677631 |
11 | 717998a |
12 | 42b4713 |
13 | 281b575 |
14 | 19801b1 |
15 | 11a6506 |
hex | c171ff |
12677631 has 16 divisors (see below), whose sum is σ = 17975808. Its totient is φ = 7920000.
The previous prime is 12677627. The next prime is 12677633. The reversal of 12677631 is 13677621.
It is not a de Polignac number, because 12677631 - 22 = 12677627 is a prime.
It is a super-2 number, since 2×126776312 = 321444655544322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12677592 and 12677601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12677633) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16506 + ... + 17256.
It is an arithmetic number, because the mean of its divisors is an integer number (1123488).
Almost surely, 212677631 is an apocalyptic number.
12677631 is a deficient number, since it is larger than the sum of its proper divisors (5298177).
12677631 is a wasteful number, since it uses less digits than its factorization.
12677631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1102.
The product of its digits is 10584, while the sum is 33.
The square root of 12677631 is about 3560.5661066746. The cubic root of 12677631 is about 233.1735952047.
The spelling of 12677631 in words is "twelve million, six hundred seventy-seven thousand, six hundred thirty-one".
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