Base | Representation |
---|---|
bin | 110001001100… |
… | …101100001110 |
3 | 220021020102002 |
4 | 301030230032 |
5 | 11300201123 |
6 | 1140232302 |
7 | 214423460 |
oct | 61145416 |
9 | 26236362 |
10 | 12897038 |
11 | 7309810 |
12 | 439b692 |
13 | 28973ab |
14 | 19da130 |
15 | 11eb528 |
hex | c4cb0e |
12897038 has 32 divisors (see below), whose sum is σ = 24433920. Its totient is φ = 4959360.
The previous prime is 12897037. The next prime is 12897077. The reversal of 12897038 is 83079821.
It is a junction number, because it is equal to n+sod(n) for n = 12896992 and 12897010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12897037) 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 15 ways as a sum of consecutive naturals, for example, 12278 + ... + 13286.
It is an arithmetic number, because the mean of its divisors is an integer number (763560).
Almost surely, 212897038 is an apocalyptic number.
12897038 is a deficient number, since it is larger than the sum of its proper divisors (11536882).
12897038 is a wasteful number, since it uses less digits than its factorization.
12897038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1112.
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 12897038 is about 3591.2446310437. The cubic root of 12897038 is about 234.5110582571.
The spelling of 12897038 in words is "twelve million, eight hundred ninety-seven thousand, thirty-eight".
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