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12076645 = 57345047
BaseRepresentation
bin101110000100…
…011001100101
3211201120001011
4232010121211
511042423040
61110502221
7204435610
oct56043145
924646034
1012076645
1168a93a9
124064971
13266ab59
141865177
1510d83ea
hexb84665

12076645 has 8 divisors (see below), whose sum is σ = 16562304. Its totient is φ = 8281104.

The previous prime is 12076643. The next prime is 12076663. The reversal of 12076645 is 54667021.

It is a happy number.

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 12076645 - 21 = 12076643 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 (12076643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172489 + ... + 172558.

It is an arithmetic number, because the mean of its divisors is an integer number (2070288).

Almost surely, 212076645 is an apocalyptic number.

It is an amenable number.

12076645 is a deficient number, since it is larger than the sum of its proper divisors (4485659).

12076645 is an equidigital number, since it uses as much as digits as its factorization.

12076645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345059.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 12076645 is about 3475.1467594909. The cubic root of 12076645 is about 229.4292401185.

It can be divided in two parts, 12076 and 645, that added together give a palindrome (12721).

The spelling of 12076645 in words is "twelve million, seventy-six thousand, six hundred forty-five".

Divisors: 1 5 7 35 345047 1725235 2415329 12076645