1312000027 has 16 divisors (see below), whose sum is σ = 1488783520. Its totient is φ = 1146182400.

The previous prime is 1312000009. The next prime is 1312000031. The reversal of 1312000027 is 7200002131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1312000027 - 2²⁷ = 1177782299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312000087) 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, 324277 + ... + 328297.

It is an arithmetic number, because the mean of its divisors is an integer number (93048970).

Almost surely, 2^1312000027 is an apocalyptic number.

1312000027 is a deficient number, since it is larger than the sum of its proper divisors (176783493).

1312000027 is a wasteful number, since it uses less digits than its factorization.

1312000027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1312000027 is about 36221.5409252561. The cubic root of 1312000027 is about 1094.7407424693.

Adding to 1312000027 its reverse (7200002131), we get a palindrome (8512002158).

The spelling of 1312000027 in words is "one billion, three hundred twelve million, twenty-seven", and thus it is an aban number.