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13003312 = 247116101
BaseRepresentation
bin110001100110…
…101000110000
3220110122012011
4301212220300
511312101222
61142412304
7215345350
oct61465060
926418164
1013003312
117381643
124431094
13290388a
141a26b60
15121cc77
hexc66a30

13003312 has 20 divisors (see below), whose sum is σ = 28793296. Its totient is φ = 5572800.

The previous prime is 13003301. The next prime is 13003313. The reversal of 13003312 is 21330031.

It is a super-2 number, since 2×130033122 = 338172245938688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13003292 and 13003301.

It is not an unprimeable number, because it can be changed into a prime (13003313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57939 + ... + 58162.

Almost surely, 213003312 is an apocalyptic number.

It is an amenable number.

13003312 is an abundant number, since it is smaller than the sum of its proper divisors (15789984).

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

13003312 is a wasteful number, since it uses less digits than its factorization.

13003312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116116 (or 116110 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 13003312 is about 3606.0105379768. The cubic root of 13003312 is about 235.1534353342.

Adding to 13003312 its reverse (21330031), we get a palindrome (34333343).

The spelling of 13003312 in words is "thirteen million, three thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 116101 232202 464404 812707 928808 1625414 1857616 3250828 6501656 13003312