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13105675 = 521147657
BaseRepresentation
bin110001111111…
…101000001011
3220122211121101
4301333220023
511323340200
61144522231
7216252652
oct61775013
926584541
1013105675
117441540
124480377
13293b34b
141a52199
15123d26a
hexc7fa0b

13105675 has 12 divisors (see below), whose sum is σ = 17728776. Its totient is φ = 9531200.

The previous prime is 13105663. The next prime is 13105679. The reversal of 13105675 is 57650131.

It is not a de Polignac number, because 13105675 - 25 = 13105643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13105679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23554 + ... + 24103.

It is an arithmetic number, because the mean of its divisors is an integer number (1477398).

Almost surely, 213105675 is an apocalyptic number.

13105675 is a deficient number, since it is larger than the sum of its proper divisors (4623101).

13105675 is a wasteful number, since it uses less digits than its factorization.

13105675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47678 (or 47673 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 13105675 is about 3620.1761006890. The cubic root of 13105675 is about 235.7688714372.

It can be divided in two parts, 131056 and 75, that added together give a palindrome (131131).

The spelling of 13105675 in words is "thirteen million, one hundred five thousand, six hundred seventy-five".

Divisors: 1 5 11 25 55 275 47657 238285 524227 1191425 2621135 13105675