1312097248 has 96 divisors (see below), whose sum is σ = 3230599680. Its totient is φ = 509621760.

The previous prime is 1312097239. The next prime is 1312097273. The reversal of 1312097248 is 8427902131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081090 + ... + 1082302.

It is an arithmetic number, because the mean of its divisors is an integer number (33652080).

Almost surely, 2^1312097248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312097248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615299840).

1312097248 is an abundant number, since it is smaller than the sum of its proper divisors (1918502432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312097248 is a wasteful number, since it uses less digits than its factorization.

1312097248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1312097248 is about 36222.8829333061. The cubic root of 1312097248 is about 1094.7677823979.

Adding to 1312097248 its reverse (8427902131), we get a palindrome (9739999379).

The spelling of 1312097248 in words is "one billion, three hundred twelve million, ninety-seven thousand, two hundred forty-eight".