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12130741 = 717101939
BaseRepresentation
bin101110010001…
…100110110101
3211211022020201
4232101212311
511101140431
61112000501
7205052410
oct56214665
924738221
1012130741
116936007
124090131
13268966c
14187ab77
1510e9461
hexb919b5

12130741 has 8 divisors (see below), whose sum is σ = 14679360. Its totient is φ = 9786048.

The previous prime is 12130739. The next prime is 12130751. The reversal of 12130741 is 14703121.

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

It is a cyclic number.

It is not a de Polignac number, because 12130741 - 21 = 12130739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130751) by changing a digit.

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, 50851 + ... + 51088.

It is an arithmetic number, because the mean of its divisors is an integer number (1834920).

Almost surely, 212130741 is an apocalyptic number.

It is an amenable number.

12130741 is a deficient number, since it is larger than the sum of its proper divisors (2548619).

12130741 is a wasteful number, since it uses less digits than its factorization.

12130741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101963.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 12130741 is about 3482.9213312965. The cubic root of 12130741 is about 229.7712975529.

Adding to 12130741 its reverse (14703121), we get a palindrome (26833862).

The spelling of 12130741 in words is "twelve million, one hundred thirty thousand, seven hundred forty-one".

Divisors: 1 7 17 119 101939 713573 1732963 12130741