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13073512 = 233894201
BaseRepresentation
bin110001110111…
…110001101000
3220121012111011
4301313301220
511321323022
61144113304
7216060124
oct61676150
926535434
1013073512
11741a361
124465834
13292980a
141a44584
151233977
hexc77c68

13073512 has 16 divisors (see below), whose sum is σ = 24581700. Its totient is φ = 6518400.

The previous prime is 13073503. The next prime is 13073513. The reversal of 13073512 is 21537031.

It can be written as a sum of positive squares in 2 ways, for example, as 10982596 + 2090916 = 3314^2 + 1446^2 .

It is not an unprimeable number, because it can be changed into a prime (13073513) 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 3 ways as a sum of consecutive naturals, for example, 1012 + ... + 5212.

Almost surely, 213073512 is an apocalyptic number.

It is an amenable number.

13073512 is a deficient number, since it is larger than the sum of its proper divisors (11508188).

13073512 is a wasteful number, since it uses less digits than its factorization.

13073512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596 (or 4592 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 13073512 is about 3615.7311846983. The cubic root of 13073512 is about 235.5758444742.

The spelling of 13073512 in words is "thirteen million, seventy-three thousand, five hundred twelve".

Divisors: 1 2 4 8 389 778 1556 3112 4201 8402 16804 33608 1634189 3268378 6536756 13073512