12845613 has 16 divisors (see below), whose sum is σ = 18881856. Its totient is φ = 7703040.

The previous prime is 12845611. The next prime is 12845639. The reversal of 12845613 is 31654821.

It is not a de Polignac number, because 12845613 - 2¹ = 12845611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12845611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (1180116).

Almost surely, 2^12845613 is an apocalyptic number.

It is an amenable number.

12845613 is a deficient number, since it is larger than the sum of its proper divisors (6036243).

12845613 is a wasteful number, since it uses less digits than its factorization.

12845613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124.

The product of its digits is 5760, while the sum is 30.

The square root of 12845613 is about 3584.0777056308. The cubic root of 12845613 is about 234.1989505323.

The spelling of 12845613 in words is "twelve million, eight hundred forty-five thousand, six hundred thirteen".