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13006706 = 210760779
BaseRepresentation
bin110001100111…
…011101110010
3220110210211212
4301213131302
511312203311
61142440122
7215361266
oct61473562
926423755
1013006706
117384149
124433042
13290529b
141a280a6
15121dc8b
hexc67772

13006706 has 8 divisors (see below), whose sum is σ = 19692720. Its totient is φ = 6442468.

The previous prime is 13006699. The next prime is 13006709. The reversal of 13006706 is 60760031.

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

It is not an unprimeable number, because it can be changed into a prime (13006709) 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, 30176 + ... + 30603.

It is an arithmetic number, because the mean of its divisors is an integer number (2461590).

Almost surely, 213006706 is an apocalyptic number.

13006706 is a deficient number, since it is larger than the sum of its proper divisors (6686014).

13006706 is a wasteful number, since it uses less digits than its factorization.

13006706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60888.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 13006706 is about 3606.4811104455. The cubic root of 13006706 is about 235.1738927205.

Adding to 13006706 its reverse (60760031), we get a palindrome (73766737).

The spelling of 13006706 in words is "thirteen million, six thousand, seven hundred six".

Divisors: 1 2 107 214 60779 121558 6503353 13006706