13331441 has 2 divisors, whose sum is σ = 13331442. Its totient is φ = 13331440.

The previous prime is 13331431. The next prime is 13331447. The reversal of 13331441 is 14413331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8579041 + 4752400 = 2929^2 + 2180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13331447) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665720 + 6665721.

It is an arithmetic number, because the mean of its divisors is an integer number (6665721).

Almost surely, 2^13331441 is an apocalyptic number.

It is an amenable number.

13331441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331441 is an equidigital number, since it uses as much as digits as its factorization.

13331441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 13331441 is about 3651.2245890934. The cubic root of 13331441 is about 237.1150017223.

Adding to 13331441 its reverse (14413331), we get a palindrome (27744772).

The spelling of 13331441 in words is "thirteen million, three hundred thirty-one thousand, four hundred forty-one".