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12700560 = 243552919
BaseRepresentation
bin110000011100…
…101110010000
3212220020220010
4300130232100
511222404220
61132114520
7212644605
oct60345620
925806803
1012700560
117195134
124305a40
132828b32
1419886ac
1511ad1e0
hexc1cb90

12700560 has 40 divisors (see below), whose sum is σ = 39372480. Its totient is φ = 3386752.

The previous prime is 12700559. The next prime is 12700561. The reversal of 12700560 is 6500721.

It is an interprime number because it is at equal distance from previous prime (12700559) and next prime (12700561).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×127005602 = 322608448627200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12700561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26220 + ... + 26699.

It is an arithmetic number, because the mean of its divisors is an integer number (984312).

Almost surely, 212700560 is an apocalyptic number.

12700560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12700560 is an abundant number, since it is smaller than the sum of its proper divisors (26671920).

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

12700560 is a wasteful number, since it uses less digits than its factorization.

12700560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52935 (or 52929 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12700560 is about 3563.7845052696. The cubic root of 12700560 is about 233.3140845799.

The spelling of 12700560 in words is "twelve million, seven hundred thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 52919 105838 158757 211676 264595 317514 423352 529190 635028 793785 846704 1058380 1270056 1587570 2116760 2540112 3175140 4233520 6350280 12700560