Base | Representation |
---|---|
bin | 110001010110… |
… | …110100000001 |
3 | 220100100021121 |
4 | 301112310001 |
5 | 11303012442 |
6 | 1141152241 |
7 | 214655365 |
oct | 61266401 |
9 | 26310247 |
10 | 12938497 |
11 | 7337980 |
12 | 43bb681 |
13 | 28b0220 |
14 | 1a0b2a5 |
15 | 1208967 |
hex | c56d01 |
12938497 has 16 divisors (see below), whose sum is σ = 15317568. Its totient is φ = 10774080.
The previous prime is 12938483. The next prime is 12938503. The reversal of 12938497 is 79483921.
It is a cyclic number.
It is not a de Polignac number, because 12938497 - 211 = 12936449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12938467) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24478 + ... + 25000.
It is an arithmetic number, because the mean of its divisors is an integer number (957348).
Almost surely, 212938497 is an apocalyptic number.
It is an amenable number.
12938497 is a deficient number, since it is larger than the sum of its proper divisors (2379071).
12938497 is a wasteful number, since it uses less digits than its factorization.
12938497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 720.
The product of its digits is 108864, while the sum is 43.
The square root of 12938497 is about 3597.0122323951. The cubic root of 12938497 is about 234.7620769898.
The spelling of 12938497 in words is "twelve million, nine hundred thirty-eight thousand, four hundred ninety-seven".
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