1312846730 has 16 divisors (see below), whose sum is σ = 2544903144. Its totient is φ = 484743360.

The previous prime is 1312846687. The next prime is 1312846789. The reversal of 1312846730 is 376482131.

It can be written as a sum of positive squares in 4 ways, for example, as 366607609 + 946239121 = 19147^2 + 30761^2 .

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 7 ways as a sum of consecutive naturals, for example, 5049281 + ... + 5049540.

Almost surely, 2^1312846730 is an apocalyptic number.

1312846730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312846730 is a deficient number, since it is larger than the sum of its proper divisors (1232056414).

1312846730 is a wasteful number, since it uses less digits than its factorization.

1312846730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10098841.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1312846730 is about 36233.2268781018. The cubic root of 1312846730 is about 1094.9761898592.

The spelling of 1312846730 in words is "one billion, three hundred twelve million, eight hundred forty-six thousand, seven hundred thirty".