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13302212 = 2271143189
BaseRepresentation
bin110010101111…
…100111000100
3221000211012112
4302233213010
511401132322
61153040152
7221031650
oct62574704
927024175
1013302212
117566170
124556058
1329a9941
141aa3a60
15127b5e2
hexcaf9c4

13302212 has 24 divisors (see below), whose sum is σ = 29023680. Its totient is φ = 5182560.

The previous prime is 13302197. The next prime is 13302217. The reversal of 13302212 is 21220331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (13302217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21287 + ... + 21902.

It is an arithmetic number, because the mean of its divisors is an integer number (1209320).

Almost surely, 213302212 is an apocalyptic number.

It is an amenable number.

13302212 is an abundant number, since it is smaller than the sum of its proper divisors (15721468).

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

13302212 is a wasteful number, since it uses less digits than its factorization.

13302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43211 (or 43209 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13302212 is about 3647.2197630524. The cubic root of 13302212 is about 236.9415844683.

Adding to 13302212 its reverse (21220331), we get a palindrome (34522543).

The spelling of 13302212 in words is "thirteen million, three hundred two thousand, two hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 43189 86378 172756 302323 475079 604646 950158 1209292 1900316 3325553 6651106 13302212