12845611 has 2 divisors, whose sum is σ = 12845612. Its totient is φ = 12845610.

The previous prime is 12845597. The next prime is 12845639. The reversal of 12845611 is 11654821.

It is an a-pointer prime, because the next prime (12845639) can be obtained adding 12845611 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (11654821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12845611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12845611.

It is not a weakly prime, because it can be changed into another prime (12845641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422805 + 6422806.

It is an arithmetic number, because the mean of its divisors is an integer number (6422806).

Almost surely, 2^12845611 is an apocalyptic number.

12845611 is a deficient number, since it is larger than the sum of its proper divisors (1).

12845611 is an equidigital number, since it uses as much as digits as its factorization.

12845611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 28.

The square root of 12845611 is about 3584.0774266190. The cubic root of 12845611 is about 234.1989383778.

It can be divided in two parts, 12845 and 611, that added together give a square (13456 = 116²).

The spelling of 12845611 in words is "twelve million, eight hundred forty-five thousand, six hundred eleven".