1313929 has 2 divisors, whose sum is σ = 1313930. Its totient is φ = 1313928.

The previous prime is 1313911. The next prime is 1313953. The reversal of 1313929 is 9293131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 273529 = 1020^2 + 523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313929 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313897 and 1313906.

It is not a weakly prime, because it can be changed into another prime (1313959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656964 + 656965.

It is an arithmetic number, because the mean of its divisors is an integer number (656965).

2^1313929 is an apocalyptic number.

It is an amenable number.

1313929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313929 is an equidigital number, since it uses as much as digits as its factorization.

1313929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458, while the sum is 28.

The square root of 1313929 is about 1146.2674208055. The cubic root of 1313929 is about 109.5276995318.

The spelling of 1313929 in words is "one million, three hundred thirteen thousand, nine hundred twenty-nine".