1144704013 has 2 divisors, whose sum is σ = 1144704014. Its totient is φ = 1144704012.

The previous prime is 1144703981. The next prime is 1144704019. The reversal of 1144704013 is 3104074411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140615529 + 4088484 = 33773^2 + 2022^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144704013 - 2⁵ = 1144703981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144704019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572352006 + 572352007.

It is an arithmetic number, because the mean of its divisors is an integer number (572352007).

Almost surely, 2^1144704013 is an apocalyptic number.

It is an amenable number.

1144704013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144704013 is an equidigital number, since it uses as much as digits as its factorization.

1144704013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1144704013 is about 33833.4747402628. The cubic root of 1144704013 is about 1046.0788025867.

Adding to 1144704013 its reverse (3104074411), we get a palindrome (4248778424).

The spelling of 1144704013 in words is "one billion, one hundred forty-four million, seven hundred four thousand, thirteen".