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12130214 = 217438297
BaseRepresentation
bin101110010001…
…011110100110
3211211021112012
4232101132212
511101131324
61111554222
7205051025
oct56213646
924737465
1012130214
116935678
12408b972
132689355
14187a8bc
1510e920e
hexb917a6

12130214 has 16 divisors (see below), whose sum is σ = 19716048. Its totient is φ = 5574912.

The previous prime is 12130169. The next prime is 12130259. The reversal of 12130214 is 41203121.

It is an interprime number because it is at equal distance from previous prime (12130169) and next prime (12130259).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2687 + ... + 5610.

It is an arithmetic number, because the mean of its divisors is an integer number (1232253).

Almost surely, 212130214 is an apocalyptic number.

12130214 is a deficient number, since it is larger than the sum of its proper divisors (7585834).

12130214 is a wasteful number, since it uses less digits than its factorization.

12130214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12130214 is about 3482.8456755935. The cubic root of 12130214 is about 229.7679701599.

Adding to 12130214 its reverse (41203121), we get a palindrome (53333335).

The spelling of 12130214 in words is "twelve million, one hundred thirty thousand, two hundred fourteen".

Divisors: 1 2 17 34 43 86 731 1462 8297 16594 141049 282098 356771 713542 6065107 12130214