1312000028 has 6 divisors (see below), whose sum is σ = 2296000056. Its totient is φ = 656000012.

The previous prime is 1312000009. The next prime is 1312000031. The reversal of 1312000028 is 8200002131.

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 as a sum of consecutive naturals, namely, 164000000 + ... + 164000007.

It is an arithmetic number, because the mean of its divisors is an integer number (382666676).

Almost surely, 2^1312000028 is an apocalyptic number.

It is an amenable number.

1312000028 is a deficient number, since it is larger than the sum of its proper divisors (984000028).

1312000028 is a wasteful number, since it uses less digits than its factorization.

1312000028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328000011 (or 328000009 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1312000028 is about 36221.5409390600. The cubic root of 1312000028 is about 1094.7407427475.

Adding to 1312000028 its reverse (8200002131), we get a palindrome (9512002159).

The spelling of 1312000028 in words is "one billion, three hundred twelve million, twenty-eight", and thus it is an aban number.