1264313 has 4 divisors (see below), whose sum is σ = 1307940. Its totient is φ = 1220688.

The previous prime is 1264303. The next prime is 1264331. The reversal of 1264313 is 3134621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238144 + 1026169 = 488^2 + 1013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1264313 - 2²⁰ = 215737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264303) 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, 21770 + ... + 21827.

It is an arithmetic number, because the mean of its divisors is an integer number (326985).

2^1264313 is an apocalyptic number.

It is an amenable number.

1264313 is a deficient number, since it is larger than the sum of its proper divisors (43627).

1264313 is an equidigital number, since it uses as much as digits as its factorization.

1264313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43626.

The product of its digits is 432, while the sum is 20.

The square root of 1264313 is about 1124.4167376911. The cubic root of 1264313 is about 108.1313274389.

Adding to 1264313 its reverse (3134621), we get a palindrome (4398934).

The spelling of 1264313 in words is "one million, two hundred sixty-four thousand, three hundred thirteen".