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13032212 = 223258053
BaseRepresentation
bin110001101101…
…101100010100
3220112002211112
4301231230110
511314012322
61143154152
7215525534
oct61555424
926462745
1013032212
1173a1326
124445958
132913a8b
141a334c4
1512265e2
hexc6db14

13032212 has 6 divisors (see below), whose sum is σ = 22806378. Its totient is φ = 6516104.

The previous prime is 13032209. The next prime is 13032221. The reversal of 13032212 is 21223031.

It is a happy number.

13032212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8976016 + 4056196 = 2996^2 + 2014^2 .

It is a super-2 number, since 2×130322122 = 339677099225888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1629023 + ... + 1629030.

It is an arithmetic number, because the mean of its divisors is an integer number (3801063).

Almost surely, 213032212 is an apocalyptic number.

It is an amenable number.

13032212 is a deficient number, since it is larger than the sum of its proper divisors (9774166).

13032212 is a wasteful number, since it uses less digits than its factorization.

13032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258057 (or 3258055 counting only the distinct ones).

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

The square root of 13032212 is about 3610.0155124320. The cubic root of 13032212 is about 235.3275167736.

Adding to 13032212 its reverse (21223031), we get a palindrome (34255243).

The spelling of 13032212 in words is "thirteen million, thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 3258053 6516106 13032212