12770844 has 48 divisors (see below), whose sum is σ = 30947616. Its totient is φ = 4096000.

The previous prime is 12770843. The next prime is 12770861. The reversal of 12770844 is 44807721.

12770844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12770843) 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, 49564 + ... + 49820.

It is an arithmetic number, because the mean of its divisors is an integer number (644742).

Almost surely, 2^12770844 is an apocalyptic number.

It is an amenable number.

12770844 is an abundant number, since it is smaller than the sum of its proper divisors (18176772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12770844 is a wasteful number, since it uses less digits than its factorization.

12770844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 12770844 is about 3573.6317661449. The cubic root of 12770844 is about 233.7436743215.

The spelling of 12770844 in words is "twelve million, seven hundred seventy thousand, eight hundred forty-four".