Base | Representation |
---|---|
bin | 110010100100… |
… | …100000001000 |
3 | 220221111210100 |
4 | 302210200020 |
5 | 11343203322 |
6 | 1152045400 |
7 | 220452210 |
oct | 62444010 |
9 | 26844710 |
10 | 13256712 |
11 | 7534a67 |
12 | 4533860 |
13 | 2992011 |
14 | 1a91240 |
15 | 126cdac |
hex | ca4808 |
13256712 has 96 divisors (see below), whose sum is σ = 42494400. Its totient is φ = 3652992.
The previous prime is 13256707. The next prime is 13256723. The reversal of 13256712 is 21765231.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14163 + ... + 15069.
It is an arithmetic number, because the mean of its divisors is an integer number (442650).
Almost surely, 213256712 is an apocalyptic number.
13256712 is a gapful number since it is divisible by the number (12) 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 13256712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21247200).
13256712 is an abundant number, since it is smaller than the sum of its proper divisors (29237688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13256712 is a wasteful number, since it uses less digits than its factorization.
13256712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 955 (or 948 counting only the distinct ones).
The product of its digits is 2520, while the sum is 27.
The square root of 13256712 is about 3640.9767920161. The cubic root of 13256712 is about 236.6711242520.
The spelling of 13256712 in words is "thirteen million, two hundred fifty-six thousand, seven hundred twelve".
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