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13202007 = 3713371307
BaseRepresentation
bin110010010111…
…001001010111
3220211201202020
4302113021113
511334431012
61150544223
7220133550
oct62271127
926751666
1013202007
1174a7955
124508073
132973150
141a79327
15125ba8c
hexc97257

13202007 has 32 divisors (see below), whose sum is σ = 22267392. Its totient is φ = 6770304.

The previous prime is 13201999. The next prime is 13202009. The reversal of 13202007 is 70020231.

It is not a de Polignac number, because 13202007 - 23 = 13201999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202009) 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 31 ways as a sum of consecutive naturals, for example, 9448 + ... + 10754.

It is an arithmetic number, because the mean of its divisors is an integer number (695856).

Almost surely, 213202007 is an apocalyptic number.

13202007 is a deficient number, since it is larger than the sum of its proper divisors (9065385).

13202007 is a wasteful number, since it uses less digits than its factorization.

13202007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 13202007 is about 3633.4566187035. The cubic root of 13202007 is about 236.3451272802.

Adding to 13202007 its product of nonzero digits (84), we get a triangular number (13202091 = T5138).

Adding to 13202007 its reverse (70020231), we get a palindrome (83222238).

The spelling of 13202007 in words is "thirteen million, two hundred two thousand, seven".

Divisors: 1 3 7 13 21 37 39 91 111 259 273 481 777 1307 1443 3367 3921 9149 10101 16991 27447 48359 50973 118937 145077 338513 356811 628667 1015539 1886001 4400669 13202007