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13207683 = 34402561
BaseRepresentation
bin110010011000…
…100010000011
3220212000112110
4302120202003
511340121213
61151030403
7220156236
oct62304203
926760473
1013207683
117501145
12450b403
1329758c8
141a7b41d
15125d5c3
hexc98883

13207683 has 4 divisors (see below), whose sum is σ = 17610248. Its totient is φ = 8805120.

The previous prime is 13207613. The next prime is 13207687. The reversal of 13207683 is 38670231.

13207683 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13207683 - 216 = 13142147 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13207683.

It is not an unprimeable number, because it can be changed into a prime (13207687) 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, 2201278 + ... + 2201283.

It is an arithmetic number, because the mean of its divisors is an integer number (4402562).

Almost surely, 213207683 is an apocalyptic number.

13207683 is a deficient number, since it is larger than the sum of its proper divisors (4402565).

13207683 is an equidigital number, since it uses as much as digits as its factorization.

13207683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402564.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 13207683 is about 3634.2376091830. The cubic root of 13207683 is about 236.3789934123.

The spelling of 13207683 in words is "thirteen million, two hundred seven thousand, six hundred eighty-three".

Divisors: 1 3 4402561 13207683