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12740132 = 2231127809
BaseRepresentation
bin110000100110…
…011000100100
3212222021011202
4300212120210
511230141012
61133022032
7213201146
oct60463044
925867152
1012740132
117211939
124324918
132840b52
141998c96
1511b9cc2
hexc26624

12740132 has 24 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 6108480.

The previous prime is 12740129. The next prime is 12740153. The reversal of 12740132 is 23104721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15344 + ... + 16152.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 212740132 is an apocalyptic number.

It is an amenable number.

12740132 is a deficient number, since it is larger than the sum of its proper divisors (10484188).

12740132 is a wasteful number, since it uses less digits than its factorization.

12740132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12740132 is about 3569.3321504169. The cubic root of 12740132 is about 233.5561508754.

Adding to 12740132 its reverse (23104721), we get a palindrome (35844853).

The spelling of 12740132 in words is "twelve million, seven hundred forty thousand, one hundred thirty-two".

Divisors: 1 2 4 31 62 124 127 254 508 809 1618 3236 3937 7874 15748 25079 50158 100316 102743 205486 410972 3185033 6370066 12740132