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12970800 = 2433521201
BaseRepresentation
bin110001011110…
…101100110000
3220101222121000
4301132230300
511310031200
61142002000
7215151513
oct61365460
926358530
1012970800
11735a177
124416300
1328c1b3b
141a18d7a
151213300
hexc5eb30

12970800 has 120 divisors (see below), whose sum is σ = 46204880. Its totient is φ = 3456000.

The previous prime is 12970799. The next prime is 12970807. The reversal of 12970800 is 807921.

12970800 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 (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12970807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10200 + ... + 11400.

Almost surely, 212970800 is an apocalyptic number.

12970800 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 12970800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23102440).

12970800 is an abundant number, since it is smaller than the sum of its proper divisors (33234080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12970800 is a wasteful number, since it uses less digits than its factorization.

12970800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 12970800 is about 3601.4996876301. The cubic root of 12970800 is about 234.9572881482.

The spelling of 12970800 in words is "twelve million, nine hundred seventy thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 90 100 108 120 135 144 150 180 200 216 225 240 270 300 360 400 432 450 540 600 675 720 900 1080 1200 1201 1350 1800 2160 2402 2700 3600 3603 4804 5400 6005 7206 9608 10800 10809 12010 14412 18015 19216 21618 24020 28824 30025 32427 36030 43236 48040 54045 57648 60050 64854 72060 86472 90075 96080 108090 120100 129708 144120 162135 172944 180150 216180 240200 259416 270225 288240 324270 360300 432360 480400 518832 540450 648540 720600 810675 864720 1080900 1297080 1441200 1621350 2161800 2594160 3242700 4323600 6485400 12970800