1312552804 has 6 divisors (see below), whose sum is σ = 2296967414. Its totient is φ = 656276400.

The previous prime is 1312552783. The next prime is 1312552807. The reversal of 1312552804 is 4082552131.

It can be written as a sum of positive squares in only one way, i.e., 1132187904 + 180364900 = 33648^2 + 13430^2 .

It is not an unprimeable number, because it can be changed into a prime (1312552807) 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 as a sum of consecutive naturals, namely, 164069097 + ... + 164069104.

Almost surely, 2^1312552804 is an apocalyptic number.

It is an amenable number.

1312552804 is a deficient number, since it is larger than the sum of its proper divisors (984414610).

1312552804 is a wasteful number, since it uses less digits than its factorization.

1312552804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328138205 (or 328138203 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 1312552804 is about 36229.1706225798. The cubic root of 1312552804 is about 1094.8944677039.

The spelling of 1312552804 in words is "one billion, three hundred twelve million, five hundred fifty-two thousand, eight hundred four".