Base | Representation |
---|---|
bin | 110001011010… |
… | …011001100011 |
3 | 220101002102200 |
4 | 301122121203 |
5 | 11304000222 |
6 | 1141344243 |
7 | 215046252 |
oct | 61323143 |
9 | 26332380 |
10 | 12953187 |
11 | 7347a15 |
12 | 4408083 |
13 | 28b6b10 |
14 | 1a12799 |
15 | 120ceac |
hex | c5a663 |
12953187 has 12 divisors (see below), whose sum is σ = 20149584. Its totient is φ = 7971120.
The previous prime is 12953183. The next prime is 12953189. The reversal of 12953187 is 78135921.
12953187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12953187 - 22 = 12953183 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12953183) 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, 55239 + ... + 55472.
It is an arithmetic number, because the mean of its divisors is an integer number (1679132).
Almost surely, 212953187 is an apocalyptic number.
12953187 is a deficient number, since it is larger than the sum of its proper divisors (7196397).
12953187 is a wasteful number, since it uses less digits than its factorization.
12953187 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110730 (or 110727 counting only the distinct ones).
The product of its digits is 15120, while the sum is 36.
The square root of 12953187 is about 3599.0536256077. The cubic root of 12953187 is about 234.8508907720.
The spelling of 12953187 in words is "twelve million, nine hundred fifty-three thousand, one hundred eighty-seven".
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