1308713 has 4 divisors (see below), whose sum is σ = 1495680. Its totient is φ = 1121748.

The previous prime is 1308709. The next prime is 1308719. The reversal of 1308713 is 3178031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1308713 - 2² = 1308709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1308719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93473 + ... + 93486.

It is an arithmetic number, because the mean of its divisors is an integer number (373920).

2^1308713 is an apocalyptic number.

It is an amenable number.

1308713 is a deficient number, since it is larger than the sum of its proper divisors (186967).

1308713 is an equidigital number, since it uses as much as digits as its factorization.

1308713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186966.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1308713 is about 1143.9899475083. The cubic root of 1308713 is about 109.3825739517.

Adding to 1308713 its sum of digits (23), we get a square (1308736 = 1144²).

The spelling of 1308713 in words is "one million, three hundred eight thousand, seven hundred thirteen".