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13287606 = 2323731319
BaseRepresentation
bin110010101100…
…000010110110
3221000002011120
4302230002312
511400200411
61152444410
7220641243
oct62540266
927002146
1013287606
1175561a2
124549706
1329a30b7
141a9c5ca
151277106
hexcac0b6

13287606 has 32 divisors (see below), whose sum is σ = 28131840. Its totient is φ = 4175424.

The previous prime is 13287587. The next prime is 13287607. The reversal of 13287606 is 60678231.

13287606 is nontrivially palindromic in base 5.

It is a super-2 number, since 2×132876062 = 353120946422472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13287607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9415 + ... + 10733.

It is an arithmetic number, because the mean of its divisors is an integer number (879120).

Almost surely, 213287606 is an apocalyptic number.

13287606 is an abundant number, since it is smaller than the sum of its proper divisors (14844234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13287606 is a wasteful number, since it uses less digits than its factorization.

13287606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 13287606 is about 3645.2168659766. The cubic root of 13287606 is about 236.8548310719.

The spelling of 13287606 in words is "thirteen million, two hundred eighty-seven thousand, six hundred six".

Divisors: 1 2 3 6 23 46 69 73 138 146 219 438 1319 1679 2638 3358 3957 5037 7914 10074 30337 60674 91011 96287 182022 192574 288861 577722 2214601 4429202 6643803 13287606