1312481648 has 10 divisors (see below), whose sum is σ = 2542933224. Its totient is φ = 656240816.

The previous prime is 1312481633. The next prime is 1312481663. The reversal of 1312481648 is 8461842131.

It is an interprime number because it is at equal distance from previous prime (1312481633) and next prime (1312481663).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41015036 + ... + 41015067.

Almost surely, 2^1312481648 is an apocalyptic number.

It is an amenable number.

1312481648 is a deficient number, since it is larger than the sum of its proper divisors (1230451576).

1312481648 is an equidigital number, since it uses as much as digits as its factorization.

1312481648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82030111 (or 82030105 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 1312481648 is about 36228.1885829253. The cubic root of 1312481648 is about 1094.8746819047.

The spelling of 1312481648 in words is "one billion, three hundred twelve million, four hundred eighty-one thousand, six hundred forty-eight".