Base | Representation |
---|---|
bin | 110001100100… |
… | …100111010101 |
3 | 220110012211101 |
4 | 301210213111 |
5 | 11311320104 |
6 | 1142310101 |
7 | 215312245 |
oct | 61444725 |
9 | 26405741 |
10 | 12995029 |
11 | 73763a3 |
12 | 4428331 |
13 | 28ccb88 |
14 | 1a23b25 |
15 | 121a5a4 |
hex | c649d5 |
12995029 has 4 divisors (see below), whose sum is σ = 13346284. Its totient is φ = 12643776.
The previous prime is 12995027. The next prime is 12995033. The reversal of 12995029 is 92059921.
12995029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92059921 = 19 ⋅4845259.
It can be written as a sum of positive squares in 2 ways, for example, as 12264004 + 731025 = 3502^2 + 855^2 .
It is a cyclic number.
It is not a de Polignac number, because 12995029 - 21 = 12995027 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 351217 = 12995029 / (1 + 2 + 9 + 9 + 5 + 0 + 2 + 9).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12995027) 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, 175572 + ... + 175645.
It is an arithmetic number, because the mean of its divisors is an integer number (3336571).
Almost surely, 212995029 is an apocalyptic number.
It is an amenable number.
12995029 is a deficient number, since it is larger than the sum of its proper divisors (351255).
12995029 is an equidigital number, since it uses as much as digits as its factorization.
12995029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351254.
The product of its (nonzero) digits is 14580, while the sum is 37.
The square root of 12995029 is about 3604.8618558830. The cubic root of 12995029 is about 235.1034944775.
It can be divided in two parts, 1299 and 5029, that added together give a triangular number (6328 = T112).
The spelling of 12995029 in words is "twelve million, nine hundred ninety-five thousand, twenty-nine".
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