Base | Representation |
---|---|
bin | 101111101101… |
… | …101110101101 |
3 | 212112110212010 |
4 | 233231232231 |
5 | 11200224302 |
6 | 1124031433 |
7 | 211213461 |
oct | 57555655 |
9 | 25473763 |
10 | 12508077 |
11 | 707355a |
12 | 4232579 |
13 | 278c33a |
14 | 19384a1 |
15 | 117116c |
hex | bedbad |
12508077 has 16 divisors (see below), whose sum is σ = 17424000. Its totient is φ = 7971264.
The previous prime is 12508057. The next prime is 12508079. The reversal of 12508077 is 77080521.
It is a happy number.
It is not a de Polignac number, because 12508077 - 28 = 12507821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12508079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8824 + ... + 10142.
It is an arithmetic number, because the mean of its divisors is an integer number (1089000).
Almost surely, 212508077 is an apocalyptic number.
It is an amenable number.
12508077 is a deficient number, since it is larger than the sum of its proper divisors (4915923).
12508077 is a wasteful number, since it uses less digits than its factorization.
12508077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1460.
The product of its (nonzero) digits is 3920, while the sum is 30.
The square root of 12508077 is about 3536.6759817659. The cubic root of 12508077 is about 232.1294177354.
Adding to 12508077 its reverse (77080521), we get a palindrome (89588598).
The spelling of 12508077 in words is "twelve million, five hundred eight thousand, seventy-seven".
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