Base | Representation |
---|---|
bin | 110000001011… |
… | …101000001101 |
3 | 212202200211211 |
4 | 300023220031 |
5 | 11213134131 |
6 | 1130414421 |
7 | 212233510 |
oct | 60135015 |
9 | 25680754 |
10 | 12630541 |
11 | 7147570 |
12 | 4291411 |
13 | 2802cc1 |
14 | 196ad77 |
15 | 11975b1 |
hex | c0ba0d |
12630541 has 16 divisors (see below), whose sum is σ = 16675200. Its totient is φ = 9262080.
The previous prime is 12630539. The next prime is 12630551. The reversal of 12630541 is 14503621.
It is a cyclic number.
It is not a de Polignac number, because 12630541 - 21 = 12630539 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12630511) 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, 3516 + ... + 6133.
It is an arithmetic number, because the mean of its divisors is an integer number (1042200).
Almost surely, 212630541 is an apocalyptic number.
12630541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12630541 is a deficient number, since it is larger than the sum of its proper divisors (4044659).
12630541 is a wasteful number, since it uses less digits than its factorization.
12630541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9684.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 12630541 is about 3553.9472421520. The cubic root of 12630541 is about 232.8845357407.
Subtracting 12630541 from its reverse (14503621), we obtain a triangular number (1873080 = T1935).
The spelling of 12630541 in words is "twelve million, six hundred thirty thousand, five hundred forty-one".
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