1312045703 has 16 divisors (see below), whose sum is σ = 1471713120. Its totient is φ = 1162377216.

The previous prime is 1312045673. The next prime is 1312045727. The reversal of 1312045703 is 3075402131.

It is a cyclic number.

It is not a de Polignac number, because 1312045703 - 2⁶ = 1312045639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312045733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37775 + ... + 63647.

It is an arithmetic number, because the mean of its divisors is an integer number (91982070).

Almost surely, 2^1312045703 is an apocalyptic number.

1312045703 is a deficient number, since it is larger than the sum of its proper divisors (159667417).

1312045703 is a wasteful number, since it uses less digits than its factorization.

1312045703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26066.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1312045703 is about 36222.1714285602. The cubic root of 1312045703 is about 1094.7534464320.

Adding to 1312045703 its reverse (3075402131), we get a palindrome (4387447834).

The spelling of 1312045703 in words is "one billion, three hundred twelve million, forty-five thousand, seven hundred three".