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12007668 = 2231000639
BaseRepresentation
bin101101110011…
…100011110100
3211121001102110
4231303203310
511033221133
61105211020
7204030531
oct55634364
924531373
1012007668
1168615a2
124030a70
13264563a
141847d88
1510c2c63
hexb738f4

12007668 has 12 divisors (see below), whose sum is σ = 28017920. Its totient is φ = 4002552.

The previous prime is 12007663. The next prime is 12007669. The reversal of 12007668 is 86670021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12007663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500308 + ... + 500331.

Almost surely, 212007668 is an apocalyptic number.

It is an amenable number.

12007668 is an abundant number, since it is smaller than the sum of its proper divisors (16010252).

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

12007668 is a wasteful number, since it uses less digits than its factorization.

12007668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000646 (or 1000644 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 12007668 is about 3465.2082188521. The cubic root of 12007668 is about 228.9916029542.

Adding to 12007668 its reverse (86670021), we get a palindrome (98677689).

The spelling of 12007668 in words is "twelve million, seven thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 1000639 2001278 3001917 4002556 6003834 12007668