Base | Representation |
---|---|
bin | 110001010011… |
… | …111000010000 |
3 | 220022201210112 |
4 | 301103320100 |
5 | 11302121410 |
6 | 1141020452 |
7 | 214605350 |
oct | 61237020 |
9 | 26281715 |
10 | 12926480 |
11 | 7329946 |
12 | 43b4728 |
13 | 28a7908 |
14 | 1a06b60 |
15 | 1205105 |
hex | c53e10 |
12926480 has 80 divisors (see below), whose sum is σ = 35247744. Its totient is φ = 4316160.
The previous prime is 12926471. The next prime is 12926509. The reversal of 12926480 is 8462921.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22679 + ... + 23241.
Almost surely, 212926480 is an apocalyptic number.
12926480 is a gapful number since it is divisible by the number (10) 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 12926480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17623872).
12926480 is an abundant number, since it is smaller than the sum of its proper divisors (22321264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12926480 is a wasteful number, since it uses less digits than its factorization.
12926480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 624 (or 618 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 12926480 is about 3595.3414302400. The cubic root of 12926480 is about 234.6893738071.
The spelling of 12926480 in words is "twelve million, nine hundred twenty-six thousand, four hundred eighty".
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