1312727 has 8 divisors (see below), whose sum is σ = 1422960. Its totient is φ = 1203840.

The previous prime is 1312681. The next prime is 1312733. The reversal of 1312727 is 7272131.

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 1312727 - 2⁸ = 1312471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2924 + ... + 3342.

It is an arithmetic number, because the mean of its divisors is an integer number (177870).

2^1312727 is an apocalyptic number.

1312727 is a deficient number, since it is larger than the sum of its proper divisors (110233).

1312727 is a wasteful number, since it uses less digits than its factorization.

1312727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its digits is 588, while the sum is 23.

The square root of 1312727 is about 1145.7429903779. The cubic root of 1312727 is about 109.4942902022.

Adding to 1312727 its reverse (7272131), we get a palindrome (8584858).

The spelling of 1312727 in words is "one million, three hundred twelve thousand, seven hundred twenty-seven".