Base | Representation |
---|---|
bin | 101111100100… |
… | …011001101000 |
3 | 212110112102211 |
4 | 233210121220 |
5 | 11143013424 |
6 | 1123134504 |
7 | 210664201 |
oct | 57443150 |
9 | 25415384 |
10 | 12469864 |
11 | 7047880 |
12 | 4214434 |
13 | 2777b24 |
14 | 19285a8 |
15 | 1164b94 |
hex | be4668 |
12469864 has 64 divisors (see below), whose sum is σ = 27319680. Its totient is φ = 5280000.
The previous prime is 12469861. The next prime is 12469867. The reversal of 12469864 is 46896421.
12469864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12469861) and next prime (12469867).
It is not an unprimeable number, because it can be changed into a prime (12469861) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123414 + ... + 123514.
It is an arithmetic number, because the mean of its divisors is an integer number (426870).
Almost surely, 212469864 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12469864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13659840).
12469864 is an abundant number, since it is smaller than the sum of its proper divisors (14849816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12469864 is a wasteful number, since it uses less digits than its factorization.
12469864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202 (or 198 counting only the distinct ones).
The product of its digits is 82944, while the sum is 40.
The square root of 12469864 is about 3531.2694601234. The cubic root of 12469864 is about 231.8927863709.
The spelling of 12469864 in words is "twelve million, four hundred sixty-nine thousand, eight hundred sixty-four".
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