1312264 has 16 divisors (see below), whose sum is σ = 2605500. Its totient is φ = 617472.

The previous prime is 1312237. The next prime is 1312277. The reversal of 1312264 is 4622131.

It can be written as a sum of positive squares in 2 ways, for example, as 1304164 + 8100 = 1142^2 + 90^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4689 + ... + 4960.

2^1312264 is an apocalyptic number.

It is an amenable number.

1312264 is a deficient number, since it is larger than the sum of its proper divisors (1293236).

1312264 is a wasteful number, since it uses less digits than its factorization.

1312264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672 (or 9668 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 1312264 is about 1145.5409202643. The cubic root of 1312264 is about 109.4814157767.

Adding to 1312264 its reverse (4622131), we get a palindrome (5934395).

The spelling of 1312264 in words is "one million, three hundred twelve thousand, two hundred sixty-four".