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12130266 = 232021711
BaseRepresentation
bin101110010001…
…011111011010
3211211021121010
4232101133122
511101132031
61111554350
7205051131
oct56213732
924737533
1012130266
116935715
12408b9b6
132689395
14187a918
1510e9246
hexb917da

12130266 has 8 divisors (see below), whose sum is σ = 24260544. Its totient is φ = 4043420.

The previous prime is 12130259. The next prime is 12130289. The reversal of 12130266 is 66203121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12130266 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010850 + ... + 1010861.

It is an arithmetic number, because the mean of its divisors is an integer number (3032568).

Almost surely, 212130266 is an apocalyptic number.

12130266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12130266 is a wasteful number, since it uses less digits than its factorization.

12130266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021716.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12130266 is about 3482.8531407454. The cubic root of 12130266 is about 229.7682984838.

Adding to 12130266 its reverse (66203121), we get a palindrome (78333387).

The spelling of 12130266 in words is "twelve million, one hundred thirty thousand, two hundred sixty-six".

Divisors: 1 2 3 6 2021711 4043422 6065133 12130266