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12418068 = 22313233461
BaseRepresentation
bin101111010111…
…110000010100
3212100220101110
4233113300110
511134334233
61122055020
7210360165
oct57276024
925326343
1012418068
117011973
1241aa470
13275a390
14191376c
151154663
hexbd7c14

12418068 has 48 divisors (see below), whose sum is σ = 32570496. Its totient is φ = 3653760.

The previous prime is 12418067. The next prime is 12418069. The reversal of 12418068 is 86081421.

It is an interprime number because it is at equal distance from previous prime (12418067) and next prime (12418069).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12418067) 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 15 ways as a sum of consecutive naturals, for example, 1858 + ... + 5318.

It is an arithmetic number, because the mean of its divisors is an integer number (678552).

Almost surely, 212418068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12418068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16285248).

12418068 is an abundant number, since it is smaller than the sum of its proper divisors (20152428).

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

12418068 is a wasteful number, since it uses less digits than its factorization.

12418068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504 (or 3502 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 12418068 is about 3523.9279220779. The cubic root of 12418068 is about 231.5712702363.

Adding to 12418068 its reverse (86081421), we get a palindrome (98499489).

The spelling of 12418068 in words is "twelve million, four hundred eighteen thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 13 23 26 39 46 52 69 78 92 138 156 276 299 598 897 1196 1794 3461 3588 6922 10383 13844 20766 41532 44993 79603 89986 134979 159206 179972 238809 269958 318412 477618 539916 955236 1034839 2069678 3104517 4139356 6209034 12418068