13212844 has 12 divisors (see below), whose sum is σ = 23501968. Its totient is φ = 6498000.

The previous prime is 13212841. The next prime is 13212863. The reversal of 13212844 is 44821231.

13212844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13212841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26832 + ... + 27319.

Almost surely, 2^13212844 is an apocalyptic number.

It is an amenable number.

13212844 is a deficient number, since it is larger than the sum of its proper divisors (10289124).

13212844 is a wasteful number, since it uses less digits than its factorization.

13212844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54216 (or 54214 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 13212844 is about 3634.9475924695. The cubic root of 13212844 is about 236.4097783506.

The spelling of 13212844 in words is "thirteen million, two hundred twelve thousand, eight hundred forty-four".