12845605 has 8 divisors (see below), whose sum is σ = 15773472. Its totient is φ = 10037328.

The previous prime is 12845597. The next prime is 12845611. The reversal of 12845605 is 50654821.

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 12845605 - 2³ = 12845597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29659 + ... + 30088.

It is an arithmetic number, because the mean of its divisors is an integer number (1971684).

Almost surely, 2^12845605 is an apocalyptic number.

It is an amenable number.

12845605 is a deficient number, since it is larger than the sum of its proper divisors (2927867).

12845605 is an equidigital number, since it uses as much as digits as its factorization.

12845605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59795.

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

The square root of 12845605 is about 3584.0765895834. The cubic root of 12845605 is about 234.1989019141.

It can be divided in two parts, 1284 and 5605, that added together give a square (6889 = 83²).

The spelling of 12845605 in words is "twelve million, eight hundred forty-five thousand, six hundred five".