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12320619 = 331313121
BaseRepresentation
bin101110111111…
…111101101011
3212011221201020
4232333331223
511123224434
61120023523
7206503113
oct56777553
925157636
1012320619
116a55733
124161ba3
132724c0c
1418ca043
151135849
hexbbff6b

12320619 has 8 divisors (see below), whose sum is σ = 16481232. Its totient is φ = 8186880.

The previous prime is 12320599. The next prime is 12320647. The reversal of 12320619 is 91602321.

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

It is not a de Polignac number, because 12320619 - 25 = 12320587 is a prime.

It is a super-2 number, since 2×123206192 = 303595305086322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12320669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5622 + ... + 7499.

It is an arithmetic number, because the mean of its divisors is an integer number (2060154).

Almost surely, 212320619 is an apocalyptic number.

12320619 is a deficient number, since it is larger than the sum of its proper divisors (4160613).

12320619 is a wasteful number, since it uses less digits than its factorization.

12320619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12320619 is about 3510.0739308453. The cubic root of 12320619 is about 230.9639380748.

The spelling of 12320619 in words is "twelve million, three hundred twenty thousand, six hundred nineteen".

Divisors: 1 3 313 939 13121 39363 4106873 12320619