12849813 has 16 divisors (see below), whose sum is σ = 19694400. Its totient is φ = 8270640.

The previous prime is 12849799. The next prime is 12849817. The reversal of 12849813 is 31894821.

12849813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12849813 - 2¹² = 12845717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12849817) 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, 7423 + ... + 8988.

It is an arithmetic number, because the mean of its divisors is an integer number (1230900).

Almost surely, 2^12849813 is an apocalyptic number.

It is an amenable number.

12849813 is a deficient number, since it is larger than the sum of its proper divisors (6844587).

12849813 is a wasteful number, since it uses less digits than its factorization.

12849813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16449 (or 16443 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 12849813 is about 3584.6635825416. The cubic root of 12849813 is about 234.2244723041.

The spelling of 12849813 in words is "twelve million, eight hundred forty-nine thousand, eight hundred thirteen".