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12041345 = 519126751
BaseRepresentation
bin101101111011…
…110010000001
3211122202121202
4231323302001
511040310340
61110030545
7204230651
oct55736201
924582552
1012041345
116884928
124048455
132657a74
141856361
1510ccc15
hexb7bc81

12041345 has 8 divisors (see below), whose sum is σ = 15210240. Its totient is φ = 9126000.

The previous prime is 12041329. The next prime is 12041363. The reversal of 12041345 is 54314021.

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

It is not a de Polignac number, because 12041345 - 24 = 12041329 is a prime.

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, 63281 + ... + 63470.

It is an arithmetic number, because the mean of its divisors is an integer number (1901280).

Almost surely, 212041345 is an apocalyptic number.

It is an amenable number.

12041345 is a deficient number, since it is larger than the sum of its proper divisors (3168895).

12041345 is a wasteful number, since it uses less digits than its factorization.

12041345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126775.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12041345 is about 3470.0641204450. The cubic root of 12041345 is about 229.2054816164.

Adding to 12041345 its reverse (54314021), we get a palindrome (66355366).

The spelling of 12041345 in words is "twelve million, forty-one thousand, three hundred forty-five".

Divisors: 1 5 19 95 126751 633755 2408269 12041345