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12000808 = 231500101
BaseRepresentation
bin101101110001…
…111000101000
3211120201000101
4231301320220
511033011213
61105115144
7204001531
oct55617050
924521011
1012000808
116857426
124028ab4
132642491
141845688
1510c0bdd
hexb71e28

12000808 has 8 divisors (see below), whose sum is σ = 22501530. Its totient is φ = 6000400.

The previous prime is 12000797. The next prime is 12000841. The reversal of 12000808 is 80800021.

It is a happy number.

12000808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8398404 + 3602404 = 2898^2 + 1898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750043 + ... + 750058.

Almost surely, 212000808 is an apocalyptic number.

It is an amenable number.

12000808 is a deficient number, since it is larger than the sum of its proper divisors (10500722).

12000808 is a wasteful number, since it uses less digits than its factorization.

12000808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500107 (or 1500103 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 12000808 is about 3464.2182379290. The cubic root of 12000808 is about 228.9479868904.

Adding to 12000808 its reverse (80800021), we get a palindrome (92800829).

The spelling of 12000808 in words is "twelve million, eight hundred eight", and thus it is an aban number.

Divisors: 1 2 4 8 1500101 3000202 6000404 12000808