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12385083 = 34128361
BaseRepresentation
bin101111001111…
…101100111011
3212022020010210
4233033230323
511132310313
61121242203
7210162054
oct57175473
925266123
1012385083
116a9a107
124193363
132748369
14190572b
1511499c3
hexbcfb3b

12385083 has 4 divisors (see below), whose sum is σ = 16513448. Its totient is φ = 8256720.

The previous prime is 12385081. The next prime is 12385159. The reversal of 12385083 is 38058321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12385083 - 21 = 12385081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12385083.

It is not an unprimeable number, because it can be changed into a prime (12385081) 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 3 ways as a sum of consecutive naturals, for example, 2064178 + ... + 2064183.

It is an arithmetic number, because the mean of its divisors is an integer number (4128362).

Almost surely, 212385083 is an apocalyptic number.

12385083 is a deficient number, since it is larger than the sum of its proper divisors (4128365).

12385083 is an equidigital number, since it uses as much as digits as its factorization.

12385083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128364.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 12385083 is about 3519.2446632765. The cubic root of 12385083 is about 231.3660544332.

The spelling of 12385083 in words is "twelve million, three hundred eighty-five thousand, eighty-three".

Divisors: 1 3 4128361 12385083