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13330212 = 2237374289
BaseRepresentation
bin110010110110…
…011100100100
3221002020121120
4302312130210
511403031322
61153413540
7221206410
oct62663444
927066546
1013330212
117585205
12456a2b0
1329b95cc
141aadd40
151284a5c
hexcb6724

13330212 has 48 divisors (see below), whose sum is σ = 36516480. Its totient is φ = 3704832.

The previous prime is 13330199. The next prime is 13330231. The reversal of 13330212 is 21203331.

13330212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13330191 and 13330200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (760760).

Almost surely, 213330212 is an apocalyptic number.

13330212 is a gapful number since it is divisible by the number (12) 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 13330212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18258240).

13330212 is an abundant number, since it is smaller than the sum of its proper divisors (23186268).

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

13330212 is a wasteful number, since it uses less digits than its factorization.

13330212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13330212 is about 3651.0562855152. The cubic root of 13330212 is about 237.1077151058.

Adding to 13330212 its reverse (21203331), we get a palindrome (34533543).

The spelling of 13330212 in words is "thirteen million, three hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 518 777 1036 1554 3108 4289 8578 12867 17156 25734 30023 51468 60046 90069 120092 158693 180138 317386 360276 476079 634772 952158 1110851 1904316 2221702 3332553 4443404 6665106 13330212