12745441 has 4 divisors (see below), whose sum is σ = 12760852. Its totient is φ = 12730032.

The previous prime is 12745399. The next prime is 12745483. The reversal of 12745441 is 14454721.

12745441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14454721 = 2557 ⋅5653.

It is an interprime number because it is at equal distance from previous prime (12745399) and next prime (12745483).

It can be written as a sum of positive squares in 2 ways, for example, as 9150625 + 3594816 = 3025^2 + 1896^2 .

It is a cyclic number.

It is not a de Polignac number, because 12745441 - 2⁹ = 12744929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12745541) 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, 6390 + ... + 8143.

It is an arithmetic number, because the mean of its divisors is an integer number (3190213).

Almost surely, 2^12745441 is an apocalyptic number.

It is an amenable number.

12745441 is a deficient number, since it is larger than the sum of its proper divisors (15411).

12745441 is an equidigital number, since it uses as much as digits as its factorization.

12745441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15410.

The product of its digits is 4480, while the sum is 28.

The square root of 12745441 is about 3570.0757695041. The cubic root of 12745441 is about 233.5885884621.

The spelling of 12745441 in words is "twelve million, seven hundred forty-five thousand, four hundred forty-one".