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12116808 = 23321115299
BaseRepresentation
bin101110001110…
…001101001000
3211210121010200
4232032031020
511100214213
61111412200
7204663654
oct56161510
924717120
1012116808
1169265a0
124084060
132683212
141875a64
1510e5273
hexb8e348

12116808 has 48 divisors (see below), whose sum is σ = 35802000. Its totient is φ = 3671520.

The previous prime is 12116803. The next prime is 12116821. The reversal of 12116808 is 80861121.

It is a super-2 number, since 2×121168082 = 293634072217728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12116803) by changing a digit.

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, 6858 + ... + 8441.

It is an arithmetic number, because the mean of its divisors is an integer number (745875).

Almost surely, 212116808 is an apocalyptic number.

12116808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12116808 is an abundant number, since it is smaller than the sum of its proper divisors (23685192).

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

12116808 is a wasteful number, since it uses less digits than its factorization.

12116808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15322 (or 15315 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 12116808 is about 3480.9205678958. The cubic root of 12116808 is about 229.6832944114.

Adding to 12116808 its reverse (80861121), we get a palindrome (92977929).

The spelling of 12116808 in words is "twelve million, one hundred sixteen thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 15299 30598 45897 61196 91794 122392 137691 168289 183588 275382 336578 367176 504867 550764 673156 1009734 1101528 1346312 1514601 2019468 3029202 4038936 6058404 12116808