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13085600 = 2552111487
BaseRepresentation
bin110001111010…
…101110100000
3220121211001212
4301322232200
511322214400
61144245252
7216140303
oct61725640
926554055
1013085600
117428450
124470828
132932178
141a48b3a
151237335
hexc7aba0

13085600 has 72 divisors (see below), whose sum is σ = 34872768. Its totient is φ = 4755200.

The previous prime is 13085561. The next prime is 13085603. The reversal of 13085600 is 658031.

13085600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13085603) 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, 8057 + ... + 9543.

It is an arithmetic number, because the mean of its divisors is an integer number (484344).

Almost surely, 213085600 is an apocalyptic number.

13085600 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 13085600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17436384).

13085600 is an abundant number, since it is smaller than the sum of its proper divisors (21787168).

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

13085600 is a wasteful number, since it uses less digits than its factorization.

13085600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13085600 is about 3617.4023829262. The cubic root of 13085600 is about 235.6484279697.

The spelling of 13085600 in words is "thirteen million, eighty-five thousand, six hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 80 88 100 110 160 176 200 220 275 352 400 440 550 800 880 1100 1487 1760 2200 2974 4400 5948 7435 8800 11896 14870 16357 23792 29740 32714 37175 47584 59480 65428 74350 81785 118960 130856 148700 163570 237920 261712 297400 327140 408925 523424 594800 654280 817850 1189600 1308560 1635700 2617120 3271400 6542800 13085600