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13047212 = 223261803
BaseRepresentation
bin110001110001…
…010110101100
3220112212102002
4301301112230
511320002322
61143351432
7215620343
oct61612654
926485362
1013047212
117401622
124452578
13291a859
141a38b5a
15122ac92
hexc715ac

13047212 has 6 divisors (see below), whose sum is σ = 22832628. Its totient is φ = 6523604.

The previous prime is 13047163. The next prime is 13047239. The reversal of 13047212 is 21274031.

13047212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630898 + ... + 1630905.

It is an arithmetic number, because the mean of its divisors is an integer number (3805438).

Almost surely, 213047212 is an apocalyptic number.

It is an amenable number.

13047212 is a deficient number, since it is larger than the sum of its proper divisors (9785416).

13047212 is a wasteful number, since it uses less digits than its factorization.

13047212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261807 (or 3261805 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 13047212 is about 3612.0924683623. The cubic root of 13047212 is about 235.4177690223.

The spelling of 13047212 in words is "thirteen million, forty-seven thousand, two hundred twelve".

Divisors: 1 2 4 3261803 6523606 13047212