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12168801 = 321917079
BaseRepresentation
bin101110011010…
…111001100001
3211220020110100
4232122321201
511103400201
61112453013
7205301361
oct56327141
924806410
1012168801
116961667
1240aa169
1326a0a98
14188a9a1
151105886
hexb9ae61

12168801 has 12 divisors (see below), whose sum is σ = 17671680. Its totient is φ = 8068920.

The previous prime is 12168799. The next prime is 12168803. The reversal of 12168801 is 10886121.

It is an interprime number because it is at equal distance from previous prime (12168799) and next prime (12168803).

It is not a de Polignac number, because 12168801 - 21 = 12168799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12168803) 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 11 ways as a sum of consecutive naturals, for example, 1821 + ... + 5258.

It is an arithmetic number, because the mean of its divisors is an integer number (1472640).

Almost surely, 212168801 is an apocalyptic number.

It is an amenable number.

12168801 is a deficient number, since it is larger than the sum of its proper divisors (5502879).

12168801 is a wasteful number, since it uses less digits than its factorization.

12168801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7276 (or 7273 counting only the distinct ones).

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

The square root of 12168801 is about 3488.3808565006. The cubic root of 12168801 is about 230.0113478963.

The spelling of 12168801 in words is "twelve million, one hundred sixty-eight thousand, eight hundred one".

Divisors: 1 3 9 191 573 1719 7079 21237 63711 1352089 4056267 12168801