1299013 has 2 divisors, whose sum is σ = 1299014. Its totient is φ = 1299012.

The previous prime is 1299007. The next prime is 1299019. The reversal of 1299013 is 3109921.

It is a balanced prime because it is at equal distance from previous prime (1299007) and next prime (1299019).

It can be written as a sum of positive squares in only one way, i.e., 1295044 + 3969 = 1138^2 + 63^2 .

It is an emirp because it is prime and its reverse (3109921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1299013 - 2⁵ = 1298981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649506 + 649507.

It is an arithmetic number, because the mean of its divisors is an integer number (649507).

2^1299013 is an apocalyptic number.

It is an amenable number.

1299013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299013 is an equidigital number, since it uses as much as digits as its factorization.

1299013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1299013 is about 1139.7425147813. The cubic root of 1299013 is about 109.1116606777. Note that the first 3 decimals are identical.

The spelling of 1299013 in words is "one million, two hundred ninety-nine thousand, thirteen".