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13120884 = 2232752067
BaseRepresentation
bin110010000011…
…010101110100
3220200121110200
4302003111310
511324332014
61145120500
7216345210
oct62032564
926617420
1013120884
117451a07
124489130
13294524a
141a57940
151242a09
hexc83574

13120884 has 36 divisors (see below), whose sum is σ = 37905504. Its totient is φ = 3748752.

The previous prime is 13120883. The next prime is 13120897. The reversal of 13120884 is 48802131.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120883) 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 11 ways as a sum of consecutive naturals, for example, 25782 + ... + 26285.

Almost surely, 213120884 is an apocalyptic number.

13120884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13120884 is an abundant number, since it is smaller than the sum of its proper divisors (24784620).

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

13120884 is a wasteful number, since it uses less digits than its factorization.

13120884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52084 (or 52079 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 13120884 is about 3622.2760800359. The cubic root of 13120884 is about 235.8600386239.

The spelling of 13120884 in words is "thirteen million, one hundred twenty thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 52067 104134 156201 208268 312402 364469 468603 624804 728938 937206 1093407 1457876 1874412 2186814 3280221 4373628 6560442 13120884