| Base | Representation |
|---|---|
| bin | 101111101111… |
| … | …000000111000 |
| 3 | 212112202001220 |
| 4 | 233233000320 |
| 5 | 11200411321 |
| 6 | 1124112040 |
| 7 | 211235013 |
| oct | 57570070 |
| 9 | 25482056 |
| 10 | 12513336 |
| 11 | 7077500 |
| 12 | 4235620 |
| 13 | 2791854 |
| 14 | 193a37a |
| 15 | 11729c6 |
| hex | bef038 |
12513336 has 96 divisors (see below), whose sum is σ = 35750400. Its totient is φ = 3643200.
The previous prime is 12513331. The next prime is 12513341. The reversal of 12513336 is 63331521.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12513331) and next prime (12513341).
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12513331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89955 + ... + 90093.
It is an arithmetic number, because the mean of its divisors is an integer number (372400).
Almost surely, 212513336 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 12513336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17875200).
12513336 is an abundant number, since it is smaller than the sum of its proper divisors (23237064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12513336 is a wasteful number, since it uses less digits than its factorization.
12513336 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201 (or 186 counting only the distinct ones).
The product of its digits is 1620, while the sum is 24.
The square root of 12513336 is about 3537.4193983750. The cubic root of 12513336 is about 232.1619459851.
Adding to 12513336 its reverse (63331521), we get a palindrome (75844857).
The spelling of 12513336 in words is "twelve million, five hundred thirteen thousand, three hundred thirty-six".
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