Base | Representation |
---|---|
bin | 110001010010… |
… | …001000000000 |
3 | 220022100221110 |
4 | 301102020000 |
5 | 11301404141 |
6 | 1140523320 |
7 | 214545405 |
oct | 61221000 |
9 | 26270843 |
10 | 12919296 |
11 | 7324505 |
12 | 43b0540 |
13 | 28a4570 |
14 | 1a042ac |
15 | 1202e16 |
hex | c52200 |
12919296 has 80 divisors (see below), whose sum is σ = 37122624. Its totient is φ = 3969024.
The previous prime is 12919273. The next prime is 12919301. The reversal of 12919296 is 69291921.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a nialpdrome in base 16.
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, 19645 + ... + 20291.
Almost surely, 212919296 is an apocalyptic number.
12919296 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 12919296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18561312).
12919296 is an abundant number, since it is smaller than the sum of its proper divisors (24203328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12919296 is an equidigital number, since it uses as much as digits as its factorization.
12919296 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 681 (or 665 counting only the distinct ones).
The product of its digits is 17496, while the sum is 39.
The square root of 12919296 is about 3594.3422207686. The cubic root of 12919296 is about 234.6458888858.
The spelling of 12919296 in words is "twelve million, nine hundred nineteen thousand, two hundred ninety-six".
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