1258013 has 2 divisors, whose sum is σ = 1258014. Its totient is φ = 1258012.

The previous prime is 1258001. The next prime is 1258027. The reversal of 1258013 is 3108521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006009 + 252004 = 1003^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1258013 - 2¹⁰ = 1256989 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629006 + 629007.

It is an arithmetic number, because the mean of its divisors is an integer number (629007).

2^1258013 is an apocalyptic number.

It is an amenable number.

1258013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258013 is an equidigital number, since it uses as much as digits as its factorization.

1258013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1258013 is about 1121.6117866713. The cubic root of 1258013 is about 107.9514241999.

The spelling of 1258013 in words is "one million, two hundred fifty-eight thousand, thirteen".