1312748 has 24 divisors (see below), whose sum is σ = 2526720. Its totient is φ = 594000.

The previous prime is 1312739. The next prime is 1312769. The reversal of 1312748 is 8472131.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (105280).

2^1312748 is an apocalyptic number.

It is an amenable number.

1312748 is a deficient number, since it is larger than the sum of its proper divisors (1213972).

1312748 is a wasteful number, since it uses less digits than its factorization.

1312748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 795 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 1312748 is about 1145.7521547001. The cubic root of 1312748 is about 109.4948740676.

Adding to 1312748 its reverse (8472131), we get a palindrome (9784879).

The spelling of 1312748 in words is "one million, three hundred twelve thousand, seven hundred forty-eight".