1340313 has 8 divisors (see below), whose sum is σ = 1924608. Its totient is φ = 824784.

The previous prime is 1340291. The next prime is 1340321. The reversal of 1340313 is 3130431.

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

It is not a de Polignac number, because 1340313 - 2⁵ = 1340281 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1340292 and 1340301.

It is not an unprimeable number, because it can be changed into a prime (1340323) 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 7 ways as a sum of consecutive naturals, for example, 17145 + ... + 17222.

It is an arithmetic number, because the mean of its divisors is an integer number (240576).

2^1340313 is an apocalyptic number.

1340313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1340313 is a deficient number, since it is larger than the sum of its proper divisors (584295).

1340313 is a wasteful number, since it uses less digits than its factorization.

1340313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34383.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1340313 is about 1157.7188777937. The cubic root of 1340313 is about 110.2559604143.

Adding to 1340313 its reverse (3130431), we get a palindrome (4470744).

It can be divided in two parts, 1340 and 313, that added together give a triangular number (1653 = T₅₇).

The spelling of 1340313 in words is "one million, three hundred forty thousand, three hundred thirteen".