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12982107 = 34327369
BaseRepresentation
bin110001100001…
…011101011011
3220102120002210
4301201131123
511310411412
61142130203
7215226465
oct61413533
926376083
1012982107
117367716
124420963
1328c7028
141a1d135
15121683c
hexc6175b

12982107 has 4 divisors (see below), whose sum is σ = 17309480. Its totient is φ = 8654736.

The previous prime is 12982091. The next prime is 12982139. The reversal of 12982107 is 70128921.

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

It is not a de Polignac number, because 12982107 - 24 = 12982091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12982147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163682 + ... + 2163687.

It is an arithmetic number, because the mean of its divisors is an integer number (4327370).

Almost surely, 212982107 is an apocalyptic number.

12982107 is a deficient number, since it is larger than the sum of its proper divisors (4327373).

12982107 is an equidigital number, since it uses as much as digits as its factorization.

12982107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327372.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12982107 is about 3603.0691084130. The cubic root of 12982107 is about 235.0255412106.

The spelling of 12982107 in words is "twelve million, nine hundred eighty-two thousand, one hundred seven".

Divisors: 1 3 4327369 12982107