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12105046 = 213744179
BaseRepresentation
bin101110001011…
…010101010110
3211210000000001
4232023111112
511044330141
61111241514
7204614452
oct56132526
924700001
1012105046
116918778
12407929a
13267aa65
141871662
1510e1a31
hexb8b556

12105046 has 8 divisors (see below), whose sum is σ = 18290520. Its totient is φ = 6008208.

The previous prime is 12105043. The next prime is 12105073. The reversal of 12105046 is 64050121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105043) 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 3 ways as a sum of consecutive naturals, for example, 21816 + ... + 22363.

It is an arithmetic number, because the mean of its divisors is an integer number (2286315).

Almost surely, 212105046 is an apocalyptic number.

12105046 is a deficient number, since it is larger than the sum of its proper divisors (6185474).

12105046 is a wasteful number, since it uses less digits than its factorization.

12105046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44318.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12105046 is about 3479.2306620861. The cubic root of 12105046 is about 229.6089511376.

Adding to 12105046 its reverse (64050121), we get a palindrome (76155167).

The spelling of 12105046 in words is "twelve million, one hundred five thousand, forty-six".

Divisors: 1 2 137 274 44179 88358 6052523 12105046