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12379005 = 3252391151
BaseRepresentation
bin101111001110…
…001101111101
3212021220210200
4233032031331
511132112010
61121154113
7210135252
oct57161575
925256720
1012379005
116a95591
12418b939
132745672
141903429
151147cc0
hexbce37d

12379005 has 24 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 6568800.

The previous prime is 12378997. The next prime is 12379019. The reversal of 12379005 is 50097321.

It is not a de Polignac number, because 12379005 - 23 = 12378997 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12379005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10180 + ... + 11330.

It is an arithmetic number, because the mean of its divisors is an integer number (898560).

Almost surely, 212379005 is an apocalyptic number.

12379005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12379005 is a deficient number, since it is larger than the sum of its proper divisors (9186435).

12379005 is a wasteful number, since it uses less digits than its factorization.

12379005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 12379005 is about 3518.3810197305. The cubic root of 12379005 is about 231.3282004820.

The spelling of 12379005 in words is "twelve million, three hundred seventy-nine thousand, five".

Divisors: 1 3 5 9 15 45 239 717 1151 1195 2151 3453 3585 5755 10359 10755 17265 51795 275089 825267 1375445 2475801 4126335 12379005