12864145 has 8 divisors (see below), whose sum is σ = 17642304. Its totient is φ = 8821104.

The previous prime is 12864127. The next prime is 12864167. The reversal of 12864145 is 54146821.

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 12864145 - 2⁹ = 12863633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183739 + ... + 183808.

It is an arithmetic number, because the mean of its divisors is an integer number (2205288).

Almost surely, 2^12864145 is an apocalyptic number.

It is an amenable number.

12864145 is a deficient number, since it is larger than the sum of its proper divisors (4778159).

12864145 is an equidigital number, since it uses as much as digits as its factorization.

12864145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367559.

The product of its digits is 7680, while the sum is 31.

The square root of 12864145 is about 3586.6620972709. The cubic root of 12864145 is about 234.3115204676.

The spelling of 12864145 in words is "twelve million, eight hundred sixty-four thousand, one hundred forty-five".