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12968705 = 517271563
BaseRepresentation
bin110001011110…
…001100000001
3220101212201102
4301132030001
511304444310
61141544145
7215142431
oct61361401
926355642
1012968705
117358642
124415055
1328c0bb9
141a182c1
1512128a5
hexc5e301

12968705 has 16 divisors (see below), whose sum is σ = 16568064. Its totient is φ = 9711360.

The previous prime is 12968699. The next prime is 12968743. The reversal of 12968705 is 50786921.

It is not a de Polignac number, because 12968705 - 24 = 12968689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22754 + ... + 23316.

It is an arithmetic number, because the mean of its divisors is an integer number (1035504).

Almost surely, 212968705 is an apocalyptic number.

It is an amenable number.

12968705 is a deficient number, since it is larger than the sum of its proper divisors (3599359).

12968705 is a wasteful number, since it uses less digits than its factorization.

12968705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 12968705 is about 3601.2088248254. The cubic root of 12968705 is about 234.9446376300.

It can be divided in two parts, 1296 and 8705, that added together give a palindrome (10001).

The spelling of 12968705 in words is "twelve million, nine hundred sixty-eight thousand, seven hundred five".

Divisors: 1 5 17 85 271 563 1355 2815 4607 9571 23035 47855 152573 762865 2593741 12968705