Base | Representation |
---|---|
bin | 110001011101… |
… | …010101010100 |
3 | 220101200220202 |
4 | 301131111110 |
5 | 11304341304 |
6 | 1141520032 |
7 | 215126300 |
oct | 61352524 |
9 | 26350822 |
10 | 12965204 |
11 | 7355a4a |
12 | 4413018 |
13 | 28bc425 |
14 | 1a16d00 |
15 | 121181e |
hex | c5d554 |
12965204 has 36 divisors (see below), whose sum is σ = 27315540. Its totient is φ = 5362560.
The previous prime is 12965189. The next prime is 12965209. The reversal of 12965204 is 40256921.
It is a happy number.
12965204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 7300804 + 5664400 = 2702^2 + 2380^2 .
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12965209) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4544 + ... + 6824.
It is an arithmetic number, because the mean of its divisors is an integer number (758765).
Almost surely, 212965204 is an apocalyptic number.
12965204 is a gapful number since it is divisible by the number (14) 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 12965204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13657770).
12965204 is an abundant number, since it is smaller than the sum of its proper divisors (14350336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12965204 is a wasteful number, since it uses less digits than its factorization.
12965204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2328 (or 2319 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 12965204 is about 3600.7227052357. The cubic root of 12965204 is about 234.9234940333.
The spelling of 12965204 in words is "twelve million, nine hundred sixty-five thousand, two hundred four".
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