Base | Representation |
---|---|
bin | 110010011101… |
… | …101010010111 |
3 | 220220002100200 |
4 | 302131222113 |
5 | 11341304240 |
6 | 1151311543 |
7 | 220304424 |
oct | 62355227 |
9 | 26802320 |
10 | 13228695 |
11 | 7515a07 |
12 | 451b5b3 |
13 | 298233c |
14 | 1a84d4b |
15 | 1264930 |
hex | c9da97 |
13228695 has 24 divisors (see below), whose sum is σ = 23249616. Its totient is φ = 6956928.
The previous prime is 13228687. The next prime is 13228717. The reversal of 13228695 is 59682231.
It is not a de Polignac number, because 13228695 - 23 = 13228687 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1272 + ... + 5298.
It is an arithmetic number, because the mean of its divisors is an integer number (968734).
Almost surely, 213228695 is an apocalyptic number.
13228695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13228695 is a deficient number, since it is larger than the sum of its proper divisors (10020921).
13228695 is a wasteful number, since it uses less digits than its factorization.
13228695 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4111 (or 4108 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 13228695 is about 3637.1273004942. The cubic root of 13228695 is about 236.5042781640.
The spelling of 13228695 in words is "thirteen million, two hundred twenty-eight thousand, six hundred ninety-five".
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