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12893600 = 255271227
BaseRepresentation
bin110001001011…
…110110100000
3220021001200202
4301023312200
511300043400
61140204332
7214410446
oct61136640
926231622
1012893600
117307175
1243996a8
132895965
1419d8b96
1511ea4d5
hexc4bda0

12893600 has 72 divisors (see below), whose sum is σ = 32060448. Its totient is φ = 5062400.

The previous prime is 12893597. The next prime is 12893627. The reversal of 12893600 is 639821.

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 11 ways as a sum of consecutive naturals, for example, 56687 + ... + 56913.

It is an arithmetic number, because the mean of its divisors is an integer number (445284).

Almost surely, 212893600 is an apocalyptic number.

12893600 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 12893600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16030224).

12893600 is an abundant number, since it is smaller than the sum of its proper divisors (19166848).

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

12893600 is a wasteful number, since it uses less digits than its factorization.

12893600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 305 counting only the distinct ones).

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

The square root of 12893600 is about 3590.7659350061. The cubic root of 12893600 is about 234.4902183126.

The spelling of 12893600 in words is "twelve million, eight hundred ninety-three thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 71 80 100 142 160 200 227 284 355 400 454 568 710 800 908 1135 1136 1420 1775 1816 2270 2272 2840 3550 3632 4540 5675 5680 7100 7264 9080 11350 11360 14200 16117 18160 22700 28400 32234 36320 45400 56800 64468 80585 90800 128936 161170 181600 257872 322340 402925 515744 644680 805850 1289360 1611700 2578720 3223400 6446800 12893600