1303013 has 2 divisors, whose sum is σ = 1303014. Its totient is φ = 1303012.

The previous prime is 1303009. The next prime is 1303031. The reversal of 1303013 is 3103031.

Together with next prime (1303031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 452929 = 922^2 + 673^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303013 - 2² = 1303009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302985 and 1303003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651506 + 651507.

It is an arithmetic number, because the mean of its divisors is an integer number (651507).

2^1303013 is an apocalyptic number.

It is an amenable number.

1303013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303013 is an equidigital number, since it uses as much as digits as its factorization.

1303013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 1303013 is about 1141.4959483064. The cubic root of 1303013 is about 109.2235403458.

Adding to 1303013 its reverse (3103031), we get a palindrome (4406044).

The spelling of 1303013 in words is "one million, three hundred three thousand, thirteen".