Search a number
-
+
12004689 = 323173981
BaseRepresentation
bin101101110010…
…110101010001
3211120220100010
4231302311101
511033122224
61105145133
7204016044
oct55626521
924526303
1012004689
11685a334
12402b1a9
132644188
141846c5b
1510c1e29
hexb72d51

12004689 has 8 divisors (see below), whose sum is σ = 16702272. Its totient is φ = 7655120.

The previous prime is 12004679. The next prime is 12004711. The reversal of 12004689 is 98640021.

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 12004689 - 24 = 12004673 is a prime.

It is a super-2 number, since 2×120046892 = 288225115973442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12004679) 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 7 ways as a sum of consecutive naturals, for example, 86922 + ... + 87059.

It is an arithmetic number, because the mean of its divisors is an integer number (2087784).

Almost surely, 212004689 is an apocalyptic number.

It is an amenable number.

12004689 is a deficient number, since it is larger than the sum of its proper divisors (4697583).

12004689 is a wasteful number, since it uses less digits than its factorization.

12004689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174007.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12004689 is about 3464.7783478889. The cubic root of 12004689 is about 228.9726644335.

The spelling of 12004689 in words is "twelve million, four thousand, six hundred eighty-nine".

Divisors: 1 3 23 69 173981 521943 4001563 12004689