Base | Representation |
---|---|
bin | 110001011010… |
… | …100101010001 |
3 | 220101010110110 |
4 | 301122211101 |
5 | 11304011222 |
6 | 1141351533 |
7 | 215051403 |
oct | 61324521 |
9 | 26333413 |
10 | 12953937 |
11 | 7348537 |
12 | 44085a9 |
13 | 28b7269 |
14 | 1a12b73 |
15 | 120d30c |
hex | c5a951 |
12953937 has 4 divisors (see below), whose sum is σ = 17271920. Its totient is φ = 8635956.
The previous prime is 12953933. The next prime is 12953947. The reversal of 12953937 is 73935921.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 12953937 - 22 = 12953933 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12953895 and 12953904.
It is not an unprimeable number, because it can be changed into a prime (12953933) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158987 + ... + 2158992.
It is an arithmetic number, because the mean of its divisors is an integer number (4317980).
Almost surely, 212953937 is an apocalyptic number.
It is an amenable number.
12953937 is a deficient number, since it is larger than the sum of its proper divisors (4317983).
12953937 is an equidigital number, since it uses as much as digits as its factorization.
12953937 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4317982.
The product of its digits is 51030, while the sum is 39.
The square root of 12953937 is about 3599.1578181569. The cubic root of 12953937 is about 234.8554233700.
The spelling of 12953937 in words is "twelve million, nine hundred fifty-three thousand, nine hundred thirty-seven".
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