1312494748 has 24 divisors (see below), whose sum is σ = 2327194800. Its totient is φ = 647611008.

The previous prime is 1312494739. The next prime is 1312494751. The reversal of 1312494748 is 8474942131.

It is a congruent 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, 194983 + ... + 201601.

It is an arithmetic number, because the mean of its divisors is an integer number (96966450).

Almost surely, 2^1312494748 is an apocalyptic number.

It is an amenable number.

1312494748 is a deficient number, since it is larger than the sum of its proper divisors (1014700052).

1312494748 is a wasteful number, since it uses less digits than its factorization.

1312494748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269 (or 7267 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 1312494748 is about 36228.3693809147. The cubic root of 1312494748 is about 1094.8783245742.

The spelling of 1312494748 in words is "one billion, three hundred twelve million, four hundred ninety-four thousand, seven hundred forty-eight".