1313709 has 8 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 824256.

The previous prime is 1313701. The next prime is 1313723. The reversal of 1313709 is 9073131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313709 - 2³ = 1313701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12829 + ... + 12930.

It is an arithmetic number, because the mean of its divisors is an integer number (231840).

2^1313709 is an apocalyptic number.

It is an amenable number.

1313709 is a deficient number, since it is larger than the sum of its proper divisors (541011).

1313709 is a wasteful number, since it uses less digits than its factorization.

1313709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25779.

The product of its (nonzero) digits is 567, while the sum is 24.

The square root of 1313709 is about 1146.1714531430. The cubic root of 1313709 is about 109.5215862033.

The spelling of 1313709 in words is "one million, three hundred thirteen thousand, seven hundred nine".