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12732860 = 2257103883
BaseRepresentation
bin110000100100…
…100110111100
3212221220012102
4300210212330
511224422420
61132524232
7213141020
oct60444674
925856172
1012732860
117207428
124320678
13283a74a
141996380
1511b7a75
hexc249bc

12732860 has 48 divisors (see below), whose sum is σ = 30890496. Its totient is φ = 4318272.

The previous prime is 12732833. The next prime is 12732877. The reversal of 12732860 is 6823721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13979 + ... + 14861.

It is an arithmetic number, because the mean of its divisors is an integer number (643552).

Almost surely, 212732860 is an apocalyptic number.

12732860 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 12732860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15445248).

12732860 is an abundant number, since it is smaller than the sum of its proper divisors (18157636).

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

12732860 is a wasteful number, since it uses less digits than its factorization.

12732860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12732860 is about 3568.3133270496. The cubic root of 12732860 is about 233.5117048791.

The spelling of 12732860 in words is "twelve million, seven hundred thirty-two thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 103 140 206 412 515 721 883 1030 1442 1766 2060 2884 3532 3605 4415 6181 7210 8830 12362 14420 17660 24724 30905 61810 90949 123620 181898 363796 454745 636643 909490 1273286 1818980 2546572 3183215 6366430 12732860