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12002008 = 2312711813
BaseRepresentation
bin101101110010…
…001011011000
3211120202122211
4231302023120
511033031013
61105124504
7204005164
oct55621330
924522584
1012002008
116858317
124029734
132642ba5
141845ca4
1510c123d
hexb722d8

12002008 has 16 divisors (see below), whose sum is σ = 22682880. Its totient is φ = 5953248.

The previous prime is 12001999. The next prime is 12002059. The reversal of 12002008 is 80020021.

12002008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4891 + ... + 6922.

It is an arithmetic number, because the mean of its divisors is an integer number (1417680).

Almost surely, 212002008 is an apocalyptic number.

It is an amenable number.

12002008 is a deficient number, since it is larger than the sum of its proper divisors (10680872).

12002008 is a wasteful number, since it uses less digits than its factorization.

12002008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11946 (or 11942 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12002008 is about 3464.3914328494. The cubic root of 12002008 is about 228.9556177218.

Adding to 12002008 its reverse (80020021), we get a palindrome (92022029).

The spelling of 12002008 in words is "twelve million, two thousand, eight".

Divisors: 1 2 4 8 127 254 508 1016 11813 23626 47252 94504 1500251 3000502 6001004 12002008