12742444 has 24 divisors (see below), whose sum is σ = 26198928. Its totient is φ = 5346240.

The previous prime is 12742423. The next prime is 12742447. The reversal of 12742444 is 44424721.

12742444 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 (28) 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 (12742447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10567 + ... + 11710.

It is an arithmetic number, because the mean of its divisors is an integer number (1091622).

Almost surely, 2^12742444 is an apocalyptic number.

It is an amenable number.

12742444 is an abundant number, since it is smaller than the sum of its proper divisors (13456484).

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

12742444 is a wasteful number, since it uses less digits than its factorization.

12742444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22305 (or 22303 counting only the distinct ones).

The product of its digits is 7168, while the sum is 28.

The square root of 12742444 is about 3569.6560058359. The cubic root of 12742444 is about 233.5702781273.

The spelling of 12742444 in words is "twelve million, seven hundred forty-two thousand, four hundred forty-four".