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12856468 = 227344029
BaseRepresentation
bin110001000010…
…110010010100
3220012011202111
4301002302110
511242401333
61135320404
7214164262
oct61026224
926164674
1012856468
117291289
124380104
132881aa1
1419c9432
1511de4cd
hexc42c94

12856468 has 12 divisors (see below), whose sum is σ = 22807540. Its totient is φ = 6340032.

The previous prime is 12856453. The next prime is 12856469. The reversal of 12856468 is 86465821.

It can be written as a sum of positive squares in 2 ways, for example, as 3928324 + 8928144 = 1982^2 + 2988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12856468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12856469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21723 + ... + 22306.

Almost surely, 212856468 is an apocalyptic number.

It is an amenable number.

12856468 is a deficient number, since it is larger than the sum of its proper divisors (9951072).

12856468 is a wasteful number, since it uses less digits than its factorization.

12856468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44106 (or 44104 counting only the distinct ones).

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

The square root of 12856468 is about 3585.5917224358. The cubic root of 12856468 is about 234.2649007742.

The spelling of 12856468 in words is "twelve million, eight hundred fifty-six thousand, four hundred sixty-eight".

Divisors: 1 2 4 73 146 292 44029 88058 176116 3214117 6428234 12856468