1318039 has 2 divisors, whose sum is σ = 1318040. Its totient is φ = 1318038.

The previous prime is 1318033. The next prime is 1318063. The reversal of 1318039 is 9308131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1318039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1318033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659019 + 659020.

It is an arithmetic number, because the mean of its divisors is an integer number (659020).

2^1318039 is an apocalyptic number.

1318039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318039 is an equidigital number, since it uses as much as digits as its factorization.

1318039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1318039 is about 1148.0587964037. The cubic root of 1318039 is about 109.6417823805.

The spelling of 1318039 in words is "one million, three hundred eighteen thousand, thirty-nine".