1312744 has 8 divisors (see below), whose sum is σ = 2461410. Its totient is φ = 656368.

The previous prime is 1312739. The next prime is 1312769. The reversal of 1312744 is 4472131.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 184900 = 1062^2 + 430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82039 + ... + 82054.

2^1312744 is an apocalyptic number.

It is an amenable number.

1312744 is a deficient number, since it is larger than the sum of its proper divisors (1148666).

1312744 is a wasteful number, since it uses less digits than its factorization.

1312744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164099 (or 164095 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 1312744 is about 1145.7504091206. The cubic root of 1312744 is about 109.4947628557.

Adding to 1312744 its reverse (4472131), we get a palindrome (5784875).

The spelling of 1312744 in words is "one million, three hundred twelve thousand, seven hundred forty-four".