1312660603 has 8 divisors (see below), whose sum is σ = 1357562880. Its totient is φ = 1268465640.

The previous prime is 1312660589. The next prime is 1312660607. The reversal of 1312660603 is 3060662131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312660603 - 2⁹ = 1312660091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312660607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173053 + ... + 180478.

It is an arithmetic number, because the mean of its divisors is an integer number (169695360).

Almost surely, 2^1312660603 is an apocalyptic number.

1312660603 is a deficient number, since it is larger than the sum of its proper divisors (44902277).

1312660603 is an equidigital number, since it uses as much as digits as its factorization.

1312660603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353657.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1312660603 is about 36230.6583296523. The cubic root of 1312660603 is about 1094.9244411768.

The spelling of 1312660603 in words is "one billion, three hundred twelve million, six hundred sixty thousand, six hundred three".