Base | Representation |
---|---|
bin | 110001010001… |
… | …011111011001 |
3 | 220022020101012 |
4 | 301101133121 |
5 | 11301313242 |
6 | 1140503305 |
7 | 214535003 |
oct | 61213731 |
9 | 26266335 |
10 | 12916697 |
11 | 7322562 |
12 | 43aab35 |
13 | 28a3321 |
14 | 1a03373 |
15 | 1202282 |
hex | c517d9 |
12916697 has 4 divisors (see below), whose sum is σ = 12946560. Its totient is φ = 12886836.
The previous prime is 12916679. The next prime is 12916721. The reversal of 12916697 is 79661921.
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 a cyclic number.
It is not a de Polignac number, because 12916697 - 216 = 12851161 is a prime.
It is a super-2 number, since 2×129166972 = 333682122779618, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12916627) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14273 + ... + 15150.
It is an arithmetic number, because the mean of its divisors is an integer number (3236640).
Almost surely, 212916697 is an apocalyptic number.
It is an amenable number.
12916697 is a deficient number, since it is larger than the sum of its proper divisors (29863).
12916697 is an equidigital number, since it uses as much as digits as its factorization.
12916697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29862.
The product of its digits is 40824, while the sum is 41.
The square root of 12916697 is about 3593.9806621628. The cubic root of 12916697 is about 234.6301531067.
The spelling of 12916697 in words is "twelve million, nine hundred sixteen thousand, six hundred ninety-seven".
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