Base | Representation |
---|---|
bin | 110000101110… |
… | …101011101111 |
3 | 220000222210211 |
4 | 300232223233 |
5 | 11232233002 |
6 | 1133443251 |
7 | 213402232 |
oct | 60565357 |
9 | 26028724 |
10 | 12774127 |
11 | 7235433 |
12 | 4340527 |
13 | 2853472 |
14 | 19a7419 |
15 | 11c4dd7 |
hex | c2eaef |
12774127 has 4 divisors (see below), whose sum is σ = 12821536. Its totient is φ = 12726720.
The previous prime is 12774119. The next prime is 12774133. The reversal of 12774127 is 72147721.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72147721 = 1553 ⋅46457.
It is a cyclic number.
It is not a de Polignac number, because 12774127 - 23 = 12774119 is a prime.
It is a super-2 number, since 2×127741272 = 326356641224258, 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 (12774187) 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, 23298 + ... + 23839.
It is an arithmetic number, because the mean of its divisors is an integer number (3205384).
Almost surely, 212774127 is an apocalyptic number.
12774127 is a deficient number, since it is larger than the sum of its proper divisors (47409).
12774127 is an equidigital number, since it uses as much as digits as its factorization.
12774127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47408.
The product of its digits is 5488, while the sum is 31.
The square root of 12774127 is about 3574.0910732660. The cubic root of 12774127 is about 233.7637020955.
The spelling of 12774127 in words is "twelve million, seven hundred seventy-four thousand, one hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •