Base | Representation |
---|---|
bin | 110010011000… |
… | …110001111001 |
3 | 220212001221000 |
4 | 302120301321 |
5 | 11340134242 |
6 | 1151035213 |
7 | 220162215 |
oct | 62306171 |
9 | 26761830 |
10 | 13208697 |
11 | 7501987 |
12 | 450bb09 |
13 | 29761c8 |
14 | 1a7b945 |
15 | 125da4c |
hex | c98c79 |
13208697 has 32 divisors (see below), whose sum is σ = 20725760. Its totient is φ = 8300880.
The previous prime is 13208669. The next prime is 13208719. The reversal of 13208697 is 79680231.
13208697 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13208697 - 26 = 13208633 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13208597) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35808 + ... + 36174.
It is an arithmetic number, because the mean of its divisors is an integer number (647680).
Almost surely, 213208697 is an apocalyptic number.
It is an amenable number.
13208697 is a deficient number, since it is larger than the sum of its proper divisors (7517063).
13208697 is a wasteful number, since it uses less digits than its factorization.
13208697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450 (or 444 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 13208697 is about 3634.3771130690. The cubic root of 13208697 is about 236.3850424714.
The spelling of 13208697 in words is "thirteen million, two hundred eight thousand, six hundred ninety-seven".
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