12865045 has 8 divisors (see below), whose sum is σ = 15463296. Its totient is φ = 10275216.

The previous prime is 12865019. The next prime is 12865057. The reversal of 12865045 is 54056821.

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 12865045 - 2²¹ = 10767893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12864998 and 12865016.

It is a congruent 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, 1984 + ... + 5446.

It is an arithmetic number, because the mean of its divisors is an integer number (1932912).

Almost surely, 2^12865045 is an apocalyptic number.

It is an amenable number.

12865045 is a deficient number, since it is larger than the sum of its proper divisors (2598251).

12865045 is an equidigital number, since it uses as much as digits as its factorization.

12865045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 12865045 is about 3586.7875599204. The cubic root of 12865045 is about 234.3169846331.

The spelling of 12865045 in words is "twelve million, eight hundred sixty-five thousand, forty-five".