Base | Representation |
---|---|
bin | 110010101110… |
… | …100100101000 |
3 | 221000121101001 |
4 | 302232210220 |
5 | 11401013320 |
6 | 1153004344 |
7 | 221013364 |
oct | 62564450 |
9 | 27017331 |
10 | 13297960 |
11 | 7562a55 |
12 | 45536b4 |
13 | 29a7a20 |
14 | 1aa22a4 |
15 | 127a20a |
hex | cae928 |
13297960 has 64 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 4843776.
The previous prime is 13297943. The next prime is 13297969. The reversal of 13297960 is 6979231.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (13297969) 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, 55521 + ... + 55759.
It is an arithmetic number, because the mean of its divisors is an integer number (510300).
Almost surely, 213297960 is an apocalyptic number.
13297960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13297960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16329600).
13297960 is an abundant number, since it is smaller than the sum of its proper divisors (19361240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13297960 is a wasteful number, since it uses less digits than its factorization.
13297960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 370 (or 366 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 37.
The square root of 13297960 is about 3646.6368067029. The cubic root of 13297960 is about 236.9163359612.
The spelling of 13297960 in words is "thirteen million, two hundred ninety-seven thousand, nine hundred sixty".
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