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12641130 = 233546819
BaseRepresentation
bin110000001110…
…001101101010
3212210020101000
4300032031222
511214004010
61130535430
7212306415
oct60161552
925706330
1012641130
117154517
124297576
132807a78
141970b7c
15119a7c0
hexc0e36a

12641130 has 32 divisors (see below), whose sum is σ = 33710400. Its totient is φ = 3370896.

The previous prime is 12641119. The next prime is 12641147. The reversal of 12641130 is 3114621.

It is a happy number.

12641130 is a `hidden beast` number, since 12 + 641 + 13 + 0 = 666.

12641130 is nontrivially palindromic in base 11.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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, 23140 + ... + 23679.

It is an arithmetic number, because the mean of its divisors is an integer number (1053450).

Almost surely, 212641130 is an apocalyptic number.

12641130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12641130 is an abundant number, since it is smaller than the sum of its proper divisors (21069270).

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

12641130 is a wasteful number, since it uses less digits than its factorization.

12641130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46835 (or 46829 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12641130 is about 3555.4366820406. The cubic root of 12641130 is about 232.9495982884.

Adding to 12641130 its reverse (3114621), we get a palindrome (15755751).

The spelling of 12641130 in words is "twelve million, six hundred forty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 46819 93638 140457 234095 280914 421371 468190 702285 842742 1264113 1404570 2106855 2528226 4213710 6320565 12641130