1313899 has 2 divisors, whose sum is σ = 1313900. Its totient is φ = 1313898.

The previous prime is 1313891. The next prime is 1313911. The reversal of 1313899 is 9983131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313899 - 2³ = 1313891 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1313891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656949 + 656950.

It is an arithmetic number, because the mean of its divisors is an integer number (656950).

2^1313899 is an apocalyptic number.

1313899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313899 is an equidigital number, since it uses as much as digits as its factorization.

1313899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 34.

The square root of 1313899 is about 1146.2543347792. The cubic root of 1313899 is about 109.5268659362.

The spelling of 1313899 in words is "one million, three hundred thirteen thousand, eight hundred ninety-nine".