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12008379 = 319072099
BaseRepresentation
bin101101110011…
…101110111011
3211121002101210
4231303232323
511033232004
61105214203
7204032565
oct55635673
924532353
1012008379
116862089
124031363
132645a66
141848335
1510c3089
hexb73bbb

12008379 has 8 divisors (see below), whose sum is σ = 16027200. Its totient is φ = 7997576.

The previous prime is 12008371. The next prime is 12008411. The reversal of 12008379 is 97380021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12008379 - 23 = 12008371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12008371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4672 + ... + 6770.

It is an arithmetic number, because the mean of its divisors is an integer number (2003400).

Almost surely, 212008379 is an apocalyptic number.

12008379 is a deficient number, since it is larger than the sum of its proper divisors (4018821).

12008379 is a wasteful number, since it uses less digits than its factorization.

12008379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12008379 is about 3465.3108085711. The cubic root of 12008379 is about 228.9961225610.

The spelling of 12008379 in words is "twelve million, eight thousand, three hundred seventy-nine".

Divisors: 1 3 1907 2099 5721 6297 4002793 12008379