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13306668 = 2231636803
BaseRepresentation
bin110010110000…
…101100101100
3221001001022120
4302300230230
511401303133
61153112540
7221050644
oct62605454
927031276
1013306668
117569551
124558750
1329ab98b
141aa5524
15127cab3
hexcb0b2c

13306668 has 24 divisors (see below), whose sum is σ = 31243968. Its totient is φ = 4407696.

The previous prime is 13306663. The next prime is 13306691. The reversal of 13306668 is 86660331.

It is not an unprimeable number, because it can be changed into a prime (13306661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (1301832).

Almost surely, 213306668 is an apocalyptic number.

It is an amenable number.

13306668 is an abundant number, since it is smaller than the sum of its proper divisors (17937300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13306668 is a wasteful number, since it uses less digits than its factorization.

13306668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973 (or 6971 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 13306668 is about 3647.8305881716. The cubic root of 13306668 is about 236.9680385605.

Adding to 13306668 its reverse (86660331), we get a palindrome (99966999).

The spelling of 13306668 in words is "thirteen million, three hundred six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 6803 13606 20409 27212 40818 81636 1108889 2217778 3326667 4435556 6653334 13306668