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12330379 = 43286753
BaseRepresentation
bin101111000010…
…010110001011
3212012110002201
4233002112023
511124033004
61120141031
7206543425
oct57022613
925173081
1012330379
116a61aa6
124167777
1327294a9
1418cd815
1511386a4
hexbc258b

12330379 has 4 divisors (see below), whose sum is σ = 12617176. Its totient is φ = 12043584.

The previous prime is 12330347. The next prime is 12330391. The reversal of 12330379 is 97303321.

12330379 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97303321 = 808112041.

It is a cyclic number.

It is not a de Polignac number, because 12330379 - 25 = 12330347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12330179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143334 + ... + 143419.

It is an arithmetic number, because the mean of its divisors is an integer number (3154294).

Almost surely, 212330379 is an apocalyptic number.

12330379 is a deficient number, since it is larger than the sum of its proper divisors (286797).

12330379 is an equidigital number, since it uses as much as digits as its factorization.

12330379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286796.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 12330379 is about 3511.4639397266. The cubic root of 12330379 is about 231.0249093907.

The spelling of 12330379 in words is "twelve million, three hundred thirty thousand, three hundred seventy-nine".

Divisors: 1 43 286753 12330379