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12989662 = 27927833
BaseRepresentation
bin110001100011…
…010011011110
3220102221110121
4301203103132
511311132122
61142225154
7215260510
oct61432336
926387417
1012989662
117372364
1244251ba
1328ca5ba
141a21bb0
151218bc7
hexc634de

12989662 has 8 divisors (see below), whose sum is σ = 22268016. Its totient is φ = 5566992.

The previous prime is 12989657. The next prime is 12989677. The reversal of 12989662 is 26698921.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 463903 + ... + 463930.

It is an arithmetic number, because the mean of its divisors is an integer number (2783502).

Almost surely, 212989662 is an apocalyptic number.

12989662 is a deficient number, since it is larger than the sum of its proper divisors (9278354).

12989662 is an equidigital number, since it uses as much as digits as its factorization.

12989662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927842.

The product of its digits is 93312, while the sum is 43.

The square root of 12989662 is about 3604.1173676783. The cubic root of 12989662 is about 235.0711237865.

The spelling of 12989662 in words is "twelve million, nine hundred eighty-nine thousand, six hundred sixty-two".

Divisors: 1 2 7 14 927833 1855666 6494831 12989662