Base | Representation |
---|---|
bin | 101111110111… |
… | …011001110000 |
3 | 212121111012111 |
4 | 233313121300 |
5 | 11203011241 |
6 | 1124535104 |
7 | 211440130 |
oct | 57673160 |
9 | 25544174 |
10 | 12547696 |
11 | 70a02a7 |
12 | 4251494 |
13 | 27a4395 |
14 | 1948ac0 |
15 | 117cc81 |
hex | bf7670 |
12547696 has 40 divisors (see below), whose sum is σ = 28998144. Its totient is φ = 5142720.
The previous prime is 12547687. The next prime is 12547729. The reversal of 12547696 is 69674521.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 5011.
Almost surely, 212547696 is an apocalyptic number.
12547696 is a gapful number since it is divisible by the number (16) 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 12547696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14499072).
12547696 is an abundant number, since it is smaller than the sum of its proper divisors (16450448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12547696 is a wasteful number, since it uses less digits than its factorization.
12547696 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4909 (or 4903 counting only the distinct ones).
The product of its digits is 90720, while the sum is 40.
The square root of 12547696 is about 3542.2727167738. The cubic root of 12547696 is about 232.3742473313.
The spelling of 12547696 in words is "twelve million, five hundred forty-seven thousand, six hundred ninety-six".
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