Search a number
-
+
12081359 = 191514211
BaseRepresentation
bin101110000101…
…100011001111
3211201210111202
4232011203033
511043100414
61110540115
7204455423
oct56054317
924653452
1012081359
1169019a4
12406763b
132670044
141866b83
1510d99de
hexb858cf

12081359 has 8 divisors (see below), whose sum is σ = 12804480. Its totient is φ = 11367000.

The previous prime is 12081343. The next prime is 12081389. The reversal of 12081359 is 95318021.

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 12081359 - 24 = 12081343 is a prime.

12081359 is a modest number, since divided by 1359 gives 1208 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081319) 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, 764 + ... + 4974.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 212081359 is an apocalyptic number.

12081359 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12081359 is a deficient number, since it is larger than the sum of its proper divisors (723121).

12081359 is a wasteful number, since it uses less digits than its factorization.

12081359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12081359 is about 3475.8249380543. The cubic root of 12081359 is about 229.4590880536.

The spelling of 12081359 in words is "twelve million, eighty-one thousand, three hundred fifty-nine".

Divisors: 1 19 151 2869 4211 80009 635861 12081359