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13063947 = 313334973
BaseRepresentation
bin110001110101…
…011100001011
3220120201100220
4301311130023
511321021242
61144001123
7216020211
oct61653413
926521326
1013063947
117413156
1244601a3
132925360
141a40cb1
151230bec
hexc7570b

13063947 has 8 divisors (see below), whose sum is σ = 18758544. Its totient is φ = 8039328.

The previous prime is 13063933. The next prime is 13063969. The reversal of 13063947 is 74936031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13063947 - 27 = 13063819 is a prime.

It is a super-2 number, since 2×130639472 = 341333422437618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13063907) 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, 167448 + ... + 167525.

It is an arithmetic number, because the mean of its divisors is an integer number (2344818).

Almost surely, 213063947 is an apocalyptic number.

13063947 is a deficient number, since it is larger than the sum of its proper divisors (5694597).

13063947 is a wasteful number, since it uses less digits than its factorization.

13063947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334989.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 13063947 is about 3614.4082503226. The cubic root of 13063947 is about 235.5183788470.

Adding to 13063947 its reverse (74936031), we get a palindrome (87999978).

It can be divided in two parts, 1306 and 3947, that added together give a triangular number (5253 = T102).

The spelling of 13063947 in words is "thirteen million, sixty-three thousand, nine hundred forty-seven".

Divisors: 1 3 13 39 334973 1004919 4354649 13063947