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12000074 = 233118127
BaseRepresentation
bin101101110001…
…101101001010
3211120200000012
4231301231022
511033000244
61105111522
7203666432
oct55615512
924520005
1012000074
116856919
1240285a2
132642048
1418452c2
1510c089e
hexb71b4a

12000074 has 8 divisors (see below), whose sum is σ = 18055488. Its totient is φ = 5981580.

The previous prime is 12000073. The next prime is 12000091. The reversal of 12000074 is 47000021.

Adding to 12000074 its reverse (47000021), we get a palindrome (59000095).

It is a happy number.

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

12000074 is a modest number, since divided by 74 gives 12 as remainder.

It is not an unprimeable number, because it can be changed into a prime (12000073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8402 + ... + 9725.

It is an arithmetic number, because the mean of its divisors is an integer number (2256936).

Almost surely, 212000074 is an apocalyptic number.

12000074 is a deficient number, since it is larger than the sum of its proper divisors (6055414).

12000074 is a wasteful number, since it uses less digits than its factorization.

12000074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18460.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 12000074 is about 3464.1122961013. The cubic root of 12000074 is about 228.9433191144.

The spelling of 12000074 in words is "twelve million, seventy-four", and thus it is an aban number.

Divisors: 1 2 331 662 18127 36254 6000037 12000074