Base | Representation |
---|---|
bin | 110001011110… |
… | …101111000000 |
3 | 220101222210100 |
4 | 301132233000 |
5 | 11310032234 |
6 | 1142002400 |
7 | 215152110 |
oct | 61365700 |
9 | 26358710 |
10 | 12970944 |
11 | 735a298 |
12 | 4416400 |
13 | 28c1c1c |
14 | 1a19040 |
15 | 1213399 |
hex | c5ebc0 |
12970944 has 84 divisors (see below), whose sum is σ = 42503344. Its totient is φ = 3704832.
The previous prime is 12970943. The next prime is 12970961. The reversal of 12970944 is 44907921.
12970944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (84).
It is a super-2 number, since 2×129709442 = 336490776502272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 12970899 and 12970908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12970943) 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, 2424 + ... + 5640.
Almost surely, 212970944 is an apocalyptic number.
12970944 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 12970944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21251672).
12970944 is an abundant number, since it is smaller than the sum of its proper divisors (29532400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12970944 is a wasteful number, since it uses less digits than its factorization.
12970944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3242 (or 3229 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 12970944 is about 3601.5196792465. The cubic root of 12970944 is about 234.9581576325.
The spelling of 12970944 in words is "twelve million, nine hundred seventy thousand, nine hundred forty-four".
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