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13086960 = 2435311759
BaseRepresentation
bin110001111011…
…000011110000
3220121212221020
4301323003300
511322240320
61144255440
7216144255
oct61730360
926555836
1013086960
117429477
124471580
132932983
141a4942c
151237940
hexc7b0f0

13086960 has 80 divisors (see below), whose sum is σ = 41902080. Its totient is φ = 3375360.

The previous prime is 13086959. The next prime is 13086961. The reversal of 13086960 is 6968031.

13086960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13086959) and next prime (13086961).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13086961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6561 + ... + 8319.

It is an arithmetic number, because the mean of its divisors is an integer number (523776).

Almost surely, 213086960 is an apocalyptic number.

13086960 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 13086960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20951040).

13086960 is an abundant number, since it is smaller than the sum of its proper divisors (28815120).

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

13086960 is a wasteful number, since it uses less digits than its factorization.

13086960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 13086960 is about 3617.5903582357. The cubic root of 13086960 is about 235.6565914156.

The spelling of 13086960 in words is "thirteen million, eighty-six thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 120 124 155 186 240 248 310 372 465 496 620 744 930 1240 1488 1759 1860 2480 3518 3720 5277 7036 7440 8795 10554 14072 17590 21108 26385 28144 35180 42216 52770 54529 70360 84432 105540 109058 140720 163587 211080 218116 272645 327174 422160 436232 545290 654348 817935 872464 1090580 1308696 1635870 2181160 2617392 3271740 4362320 6543480 13086960