Base | Representation |
---|---|
bin | 110000100111… |
… | …010101111101 |
3 | 212222110120021 |
4 | 300213111331 |
5 | 11230302221 |
6 | 1133052141 |
7 | 213215461 |
oct | 60472575 |
9 | 25873507 |
10 | 12744061 |
11 | 7214890 |
12 | 4327051 |
13 | 2842885 |
14 | 199a4a1 |
15 | 11bb041 |
hex | c2757d |
12744061 has 4 divisors (see below), whose sum is σ = 13902624. Its totient is φ = 11585500.
The previous prime is 12744049. The next prime is 12744077. The reversal of 12744061 is 16044721.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12744061 - 27 = 12743933 is a prime.
It is a super-2 number, since 2×127440612 = 324822181543442, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12744961) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579265 + ... + 579286.
It is an arithmetic number, because the mean of its divisors is an integer number (3475656).
Almost surely, 212744061 is an apocalyptic number.
12744061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12744061 is the 1597-th centered decagonal number.
It is an amenable number.
12744061 is a deficient number, since it is larger than the sum of its proper divisors (1158563).
12744061 is a wasteful number, since it uses less digits than its factorization.
12744061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1158562.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 12744061 is about 3569.8824910633. The cubic root of 12744061 is about 233.5801576335.
Adding to 12744061 its reverse (16044721), we get a palindrome (28788782).
It can be divided in two parts, 1274 and 4061, that added together give a palindrome (5335).
The spelling of 12744061 in words is "twelve million, seven hundred forty-four thousand, sixty-one".
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