12748447 has 2 divisors, whose sum is σ = 12748448. Its totient is φ = 12748446.

The previous prime is 12748427. The next prime is 12748459. The reversal of 12748447 is 74484721.

12748447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12748447 - 2¹⁹ = 12224159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12748427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6374223 + 6374224.

It is an arithmetic number, because the mean of its divisors is an integer number (6374224).

Almost surely, 2^12748447 is an apocalyptic number.

12748447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12748447 is an equidigital number, since it uses as much as digits as its factorization.

12748447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 37.

The square root of 12748447 is about 3570.4967441520. The cubic root of 12748447 is about 233.6069508999.

The spelling of 12748447 in words is "twelve million, seven hundred forty-eight thousand, four hundred forty-seven".