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12748260 = 22357127239
BaseRepresentation
bin110000101000…
…010111100100
3212222200022210
4300220113210
511230421020
61133123420
7213233640
oct60502744
925880283
1012748260
117217a58
124329570
132844765
14199bc20
1511bc3e0
hexc285e4

12748260 has 96 divisors (see below), whose sum is σ = 41287680. Its totient is φ = 2878848.

The previous prime is 12748247. The next prime is 12748277. The reversal of 12748260 is 6284721.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53221 + ... + 53459.

It is an arithmetic number, because the mean of its divisors is an integer number (430080).

Almost surely, 212748260 is an apocalyptic number.

12748260 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 12748260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20643840).

12748260 is an abundant number, since it is smaller than the sum of its proper divisors (28539420).

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

12748260 is a wasteful number, since it uses less digits than its factorization.

12748260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12748260 is about 3570.4705572235. The cubic root of 12748260 is about 233.6058086768.

The spelling of 12748260 in words is "twelve million, seven hundred forty-eight thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 127 140 210 239 254 381 420 478 508 635 717 762 889 956 1195 1270 1434 1524 1673 1778 1905 2390 2540 2667 2868 3346 3556 3585 3810 4445 4780 5019 5334 6692 7170 7620 8365 8890 10038 10668 13335 14340 16730 17780 20076 25095 26670 30353 33460 50190 53340 60706 91059 100380 121412 151765 182118 212471 303530 364236 424942 455295 607060 637413 849884 910590 1062355 1274826 1821180 2124710 2549652 3187065 4249420 6374130 12748260