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12041131 = 73281587
BaseRepresentation
bin101101111011…
…101110101011
3211122202022211
4231323232223
511040304011
61110025551
7204230224
oct55735653
924582284
1012041131
116884753
1240482b7
13265793b
14185624b
1510ccb21
hexb7bbab

12041131 has 8 divisors (see below), whose sum is σ = 12270384. Its totient is φ = 11813760.

The previous prime is 12041089. The next prime is 12041143. The reversal of 12041131 is 13114021.

12041131 is nontrivially palindromic in base 5.

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 12041131 - 29 = 12040619 is a prime.

It is a super-2 number, since 2×120411312 = 289977671518322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12041171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20220 + ... + 20806.

It is an arithmetic number, because the mean of its divisors is an integer number (1533798).

Almost surely, 212041131 is an apocalyptic number.

12041131 is a deficient number, since it is larger than the sum of its proper divisors (229253).

12041131 is an equidigital number, since it uses as much as digits as its factorization.

12041131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12041131 is about 3470.0332851430. The cubic root of 12041131 is about 229.2041237873.

Adding to 12041131 its reverse (13114021), we get a palindrome (25155152).

The spelling of 12041131 in words is "twelve million, forty-one thousand, one hundred thirty-one".

Divisors: 1 73 281 587 20513 42851 164947 12041131