13441457 has 2 divisors, whose sum is σ = 13441458. Its totient is φ = 13441456.

The previous prime is 13441451. The next prime is 13441459. The reversal of 13441457 is 75414431.

It is a happy number.

13441457 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 can be written as a sum of positive squares in only one way, i.e., 10764961 + 2676496 = 3281^2 + 1636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13441457 is a prime.

Together with 13441459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13441451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6720728 + 6720729.

It is an arithmetic number, because the mean of its divisors is an integer number (6720729).

Almost surely, 2^13441457 is an apocalyptic number.

It is an amenable number.

13441457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13441457 is an equidigital number, since it uses as much as digits as its factorization.

13441457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 13441457 is about 3666.2592652457. The cubic root of 13441457 is about 237.7654693619.

Adding to 13441457 its reverse (75414431), we get a palindrome (88855888).

The spelling of 13441457 in words is "thirteen million, four hundred forty-one thousand, four hundred fifty-seven".