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12000508 = 2213230779
BaseRepresentation
bin101101110001…
…110011111100
3211120200121021
4231301303330
511033004013
61105113524
7204000622
oct55616374
924520537
1012000508
116857183
1240288a4
1326422c0
141845512
1510c0a8d
hexb71cfc

12000508 has 12 divisors (see below), whose sum is σ = 22616440. Its totient is φ = 5538672.

The previous prime is 12000473. The next prime is 12000509. The reversal of 12000508 is 80500021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12000491 and 12000500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000509) 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, 115338 + ... + 115441.

Almost surely, 212000508 is an apocalyptic number.

It is an amenable number.

12000508 is a deficient number, since it is larger than the sum of its proper divisors (10615932).

12000508 is a wasteful number, since it uses less digits than its factorization.

12000508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230796 (or 230794 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12000508 is about 3464.1749378460. The cubic root of 12000508 is about 228.9460791031.

Adding to 12000508 its reverse (80500021), we get a palindrome (92500529).

The spelling of 12000508 in words is "twelve million, five hundred eight", and thus it is an aban number.

Divisors: 1 2 4 13 26 52 230779 461558 923116 3000127 6000254 12000508