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12648214 = 26324107
BaseRepresentation
bin110000001111…
…111100010110
3212210121002101
4300033330112
511214220324
61131032314
7212336155
oct60177426
925717071
1012648214
117159877
12429b69a
13280b067
14197359c
15119c944
hexc0ff16

12648214 has 4 divisors (see below), whose sum is σ = 18972324. Its totient is φ = 6324106.

The previous prime is 12648173. The next prime is 12648239. The reversal of 12648214 is 41284621.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3162052 + ... + 3162055.

It is an arithmetic number, because the mean of its divisors is an integer number (4743081).

Almost surely, 212648214 is an apocalyptic number.

12648214 is a deficient number, since it is larger than the sum of its proper divisors (6324110).

12648214 is an equidigital number, since it uses as much as digits as its factorization.

12648214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324109.

The product of its digits is 3072, while the sum is 28.

The square root of 12648214 is about 3556.4327633178. The cubic root of 12648214 is about 232.9931045992.

The spelling of 12648214 in words is "twelve million, six hundred forty-eight thousand, two hundred fourteen".

Divisors: 1 2 6324107 12648214