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12734880 = 253543617
BaseRepresentation
bin110000100101…
…000110100000
3212221222222020
4300211012200
511230004010
61132541440
7213146634
oct60450640
925858866
1012734880
1172089a4
124321880
13283b642
141996dc4
1511b8470
hexc251a0

12734880 has 96 divisors (see below), whose sum is σ = 41114304. Its totient is φ = 3311616.

The previous prime is 12734873. The next prime is 12734929. The reversal of 12734880 is 8843721.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×127348802 = 324354337228800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20332 + ... + 20948.

It is an arithmetic number, because the mean of its divisors is an integer number (428274).

Almost surely, 212734880 is an apocalyptic number.

12734880 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 12734880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20557152).

12734880 is an abundant number, since it is smaller than the sum of its proper divisors (28379424).

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

12734880 is a wasteful number, since it uses less digits than its factorization.

12734880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 12734880 is about 3568.5963627174. The cubic root of 12734880 is about 233.5240526863.

The spelling of 12734880 in words is "twelve million, seven hundred thirty-four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 43 48 60 80 86 96 120 129 160 172 215 240 258 344 430 480 516 617 645 688 860 1032 1234 1290 1376 1720 1851 2064 2468 2580 3085 3440 3702 4128 4936 5160 6170 6880 7404 9255 9872 10320 12340 14808 18510 19744 20640 24680 26531 29616 37020 49360 53062 59232 74040 79593 98720 106124 132655 148080 159186 212248 265310 296160 318372 397965 424496 530620 636744 795930 848992 1061240 1273488 1591860 2122480 2546976 3183720 4244960 6367440 12734880