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12326868 = 2232342413
BaseRepresentation
bin101111000001…
…011111010100
3212012021021200
4233001133110
511123424433
61120112500
7206530251
oct57013724
925167250
1012326868
116a5a3a4
124165730
132727a08
1418cc428
151137613
hexbc17d4

12326868 has 18 divisors (see below), whose sum is σ = 31159674. Its totient is φ = 4108944.

The previous prime is 12326863. The next prime is 12326891. The reversal of 12326868 is 86862321.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 956484 = 3372^2 + 978^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 342413 = 12326868 / (1 + 2 + 3 + 2 + 6 + 8 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326863) 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 5 ways as a sum of consecutive naturals, for example, 171171 + ... + 171242.

It is an arithmetic number, because the mean of its divisors is an integer number (1731093).

Almost surely, 212326868 is an apocalyptic number.

12326868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12326868 is an abundant number, since it is smaller than the sum of its proper divisors (18832806).

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

12326868 is a wasteful number, since it uses less digits than its factorization.

12326868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342423 (or 342418 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 12326868 is about 3510.9639701939. The cubic root of 12326868 is about 231.0029796658.

It can be divided in two parts, 1232 and 6868, that added together give a square (8100 = 902).

The spelling of 12326868 in words is "twelve million, three hundred twenty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 342413 684826 1027239 1369652 2054478 3081717 4108956 6163434 12326868