1303313 has 8 divisors (see below), whose sum is σ = 1436160. Its totient is φ = 1172880.

The previous prime is 1303307. The next prime is 1303321. The reversal of 1303313 is 3133031.

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

It is a cyclic number.

It is not a de Polignac number, because 1303313 - 2⁴ = 1303297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303363) 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, 656 + ... + 1742.

It is an arithmetic number, because the mean of its divisors is an integer number (179520).

2^1303313 is an apocalyptic number.

It is an amenable number.

1303313 is a deficient number, since it is larger than the sum of its proper divisors (132847).

1303313 is a wasteful number, since it uses less digits than its factorization.

1303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 1303313 is about 1141.6273472548. The cubic root of 1303313 is about 109.2319220856.

Adding to 1303313 its reverse (3133031), we get a palindrome (4436344).

It can be divided in two parts, 130 and 3313, that added together give a palindrome (3443).

The spelling of 1303313 in words is "one million, three hundred three thousand, three hundred thirteen".