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12865468 = 2271141771
BaseRepresentation
bin110001000100…
…111110111100
3220012122002211
4301010332330
511243143333
61135430204
7214232440
oct61047674
926178084
1012865468
117298020
124385364
132885c05
1419cc820
1511e1ecd
hexc44fbc

12865468 has 24 divisors (see below), whose sum is σ = 28070784. Its totient is φ = 5012400.

The previous prime is 12865439. The next prime is 12865469. The reversal of 12865468 is 86456821.

It is a self number, because there is not a number n which added to its sum of digits gives 12865468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12865469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20578 + ... + 21193.

It is an arithmetic number, because the mean of its divisors is an integer number (1169616).

Almost surely, 212865468 is an apocalyptic number.

It is an amenable number.

12865468 is an abundant number, since it is smaller than the sum of its proper divisors (15205316).

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

12865468 is a wasteful number, since it uses less digits than its factorization.

12865468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41793 (or 41791 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 12865468 is about 3586.8465258497. The cubic root of 12865468 is about 234.3195527028.

The spelling of 12865468 in words is "twelve million, eight hundred sixty-five thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 41771 83542 167084 292397 459481 584794 918962 1169588 1837924 3216367 6432734 12865468