12744291 has 16 divisors (see below), whose sum is σ = 19483904. Its totient is φ = 7258464.

The previous prime is 12744289. The next prime is 12744331. The reversal of 12744291 is 19244721.

12744291 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12744291 - 2¹ = 12744289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12744241) 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, 7020 + ... + 8646.

It is an arithmetic number, because the mean of its divisors is an integer number (1217744).

Almost surely, 2^12744291 is an apocalyptic number.

12744291 is a deficient number, since it is larger than the sum of its proper divisors (6739613).

12744291 is a wasteful number, since it uses less digits than its factorization.

12744291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010.

The product of its digits is 4032, while the sum is 30.

The square root of 12744291 is about 3569.9147048634. The cubic root of 12744291 is about 233.5815628139.

It can be divided in two parts, 1274 and 4291, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 12744291 in words is "twelve million, seven hundred forty-four thousand, two hundred ninety-one".