Base | Representation |
---|---|
bin | 110000010111… |
… | …000000010011 |
3 | 212212001202200 |
4 | 300113000103 |
5 | 11221132024 |
6 | 1131414243 |
7 | 212516406 |
oct | 60270023 |
9 | 25761680 |
10 | 12677139 |
11 | 7179582 |
12 | 42b4383 |
13 | 281b287 |
14 | 197dd3d |
15 | 11a62c9 |
hex | c17013 |
12677139 has 12 divisors (see below), whose sum is σ = 18343416. Its totient is φ = 8436672.
The previous prime is 12677111. The next prime is 12677141. The reversal of 12677139 is 93177621.
It is a happy number.
It is not a de Polignac number, because 12677139 - 27 = 12677011 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (12677149) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7387 + ... + 8939.
It is an arithmetic number, because the mean of its divisors is an integer number (1528618).
Almost surely, 212677139 is an apocalyptic number.
12677139 is a deficient number, since it is larger than the sum of its proper divisors (5666277).
12677139 is a wasteful number, since it uses less digits than its factorization.
12677139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2466 (or 2463 counting only the distinct ones).
The product of its digits is 15876, while the sum is 36.
The square root of 12677139 is about 3560.4970158673. The cubic root of 12677139 is about 233.1705787922.
The spelling of 12677139 in words is "twelve million, six hundred seventy-seven thousand, one hundred thirty-nine".
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