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12713600 = 275229137
BaseRepresentation
bin110000011111…
…111010000000
3212220220210002
4300133322000
511223313400
61132255132
7213030614
oct60377200
925826702
1012713600
1171a3a09
1243114a8
132831a53
14198d344
1511b1ed5
hexc1fe80

12713600 has 96 divisors (see below), whose sum is σ = 32726700. Its totient is φ = 4874240.

The previous prime is 12713593. The next prime is 12713609. The reversal of 12713600 is 631721.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5271616 + 7441984 = 2296^2 + 2728^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12713609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92732 + ... + 92868.

Almost surely, 212713600 is an apocalyptic number.

12713600 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 12713600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16363350).

12713600 is an abundant number, since it is smaller than the sum of its proper divisors (20013100).

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

12713600 is a wasteful number, since it uses less digits than its factorization.

12713600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 12713600 is about 3565.6135516906. The cubic root of 12713600 is about 233.3939071760.

The spelling of 12713600 in words is "twelve million, seven hundred thirteen thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 50 58 64 80 100 116 128 137 145 160 200 232 274 290 320 400 464 548 580 640 685 725 800 928 1096 1160 1370 1450 1600 1856 2192 2320 2740 2900 3200 3425 3712 3973 4384 4640 5480 5800 6850 7946 8768 9280 10960 11600 13700 15892 17536 18560 19865 21920 23200 27400 31784 39730 43840 46400 54800 63568 79460 87680 92800 99325 109600 127136 158920 198650 219200 254272 317840 397300 438400 508544 635680 794600 1271360 1589200 2542720 3178400 6356800 12713600