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12982345 = 54360383
BaseRepresentation
bin110001100001…
…100001001001
3220102120102121
4301201201021
511310413340
61142131241
7215230255
oct61414111
926376377
1012982345
117367912
124420b21
1328c717c
141a1d265
15121694a
hexc61849

12982345 has 8 divisors (see below), whose sum is σ = 15941376. Its totient is φ = 10144176.

The previous prime is 12982331. The next prime is 12982349. The reversal of 12982345 is 54328921.

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 12982345 - 219 = 12458057 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 12982345.

It is not an unprimeable number, because it can be changed into a prime (12982349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29977 + ... + 30406.

It is an arithmetic number, because the mean of its divisors is an integer number (1992672).

Almost surely, 212982345 is an apocalyptic number.

It is an amenable number.

12982345 is a deficient number, since it is larger than the sum of its proper divisors (2959031).

12982345 is an equidigital number, since it uses as much as digits as its factorization.

12982345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60431.

The product of its digits is 17280, while the sum is 34.

The square root of 12982345 is about 3603.1021356603. The cubic root of 12982345 is about 235.0269774371.

The spelling of 12982345 in words is "twelve million, nine hundred eighty-two thousand, three hundred forty-five".

Divisors: 1 5 43 215 60383 301915 2596469 12982345