1321313 has 8 divisors (see below), whose sum is σ = 1559040. Its totient is φ = 1095840.

The previous prime is 1321303. The next prime is 1321319. The reversal of 1321313 is 3131231.

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 1321313 - 2⁶ = 1321249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321319) 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, 2828 + ... + 3261.

It is an arithmetic number, because the mean of its divisors is an integer number (194880).

2^1321313 is an apocalyptic number.

It is an amenable number.

1321313 is a deficient number, since it is larger than the sum of its proper divisors (237727).

1321313 is an equidigital number, since it uses as much as digits as its factorization.

1321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127.

The product of its digits is 54, while the sum is 14.

The square root of 1321313 is about 1149.4837971890. The cubic root of 1321313 is about 109.7324904655.

Adding to 1321313 its reverse (3131231), we get a palindrome (4452544).

The spelling of 1321313 in words is "one million, three hundred twenty-one thousand, three hundred thirteen".