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13326660 = 22335232937
BaseRepresentation
bin110010110101…
…100101000100
3221002001202000
4302311211010
511402423120
61153345300
7221163144
oct62654504
927061660
1013326660
117582576
124568230
1329b7ac9
141aac924
151283990
hexcb5944

13326660 has 192 divisors, whose sum is σ = 45964800. Its totient is φ = 3193344.

The previous prime is 13326653. The next prime is 13326671. The reversal of 13326660 is 6662331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 360162 + ... + 360198.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

Almost surely, 213326660 is an apocalyptic number.

13326660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13326660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22982400).

13326660 is an abundant number, since it is smaller than the sum of its proper divisors (32638140).

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

13326660 is a wasteful number, since it uses less digits than its factorization.

13326660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 13326660 is about 3650.5698185352. The cubic root of 13326660 is about 237.0866531397.

Adding to 13326660 its reverse (6662331), we get a palindrome (19988991).

The spelling of 13326660 in words is "thirteen million, three hundred twenty-six thousand, six hundred sixty".