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12168817 = 234711257
BaseRepresentation
bin101110011010…
…111001110001
3211220020110221
4232122321301
511103400232
61112453041
7205301413
oct56327161
924806427
1012168817
116961681
1240aa181
1326a0aab
14188a9b3
151105897
hexb9ae71

12168817 has 8 divisors (see below), whose sum is σ = 12969216. Its totient is φ = 11391072.

The previous prime is 12168803. The next prime is 12168823. The reversal of 12168817 is 71886121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12168817 - 211 = 12166769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12168517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4548 + ... + 6709.

It is an arithmetic number, because the mean of its divisors is an integer number (1621152).

Almost surely, 212168817 is an apocalyptic number.

It is an amenable number.

12168817 is a deficient number, since it is larger than the sum of its proper divisors (800399).

12168817 is a wasteful number, since it uses less digits than its factorization.

12168817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11327.

The product of its digits is 5376, while the sum is 34.

The square root of 12168817 is about 3488.3831498274. The cubic root of 12168817 is about 230.0114487055.

The spelling of 12168817 in words is "twelve million, one hundred sixty-eight thousand, eight hundred seventeen".

Divisors: 1 23 47 1081 11257 258911 529079 12168817