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12830960 = 245160387
BaseRepresentation
bin110000111100…
…100011110000
3220010212202202
4300330203300
511241042320
61135002332
7214030022
oct60744360
926125682
1012830960
1172740aa
1243693a8
1328732ac
1419c0012
1511d6b75
hexc3c8f0

12830960 has 20 divisors (see below), whose sum is σ = 29832168. Its totient is φ = 5132352.

The previous prime is 12830959. The next prime is 12830999. The reversal of 12830960 is 6903821.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 80114 + ... + 80273.

Almost surely, 212830960 is an apocalyptic number.

12830960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12830960 is an abundant number, since it is smaller than the sum of its proper divisors (17001208).

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

12830960 is a wasteful number, since it uses less digits than its factorization.

12830960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160400 (or 160394 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 12830960 is about 3582.0329423387. The cubic root of 12830960 is about 234.1098663471.

The spelling of 12830960 in words is "twelve million, eight hundred thirty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 160387 320774 641548 801935 1283096 1603870 2566192 3207740 6415480 12830960