1312766 has 16 divisors (see below), whose sum is σ = 2423904. Its totient is φ = 519264.

The previous prime is 1312739. The next prime is 1312769. The reversal of 1312766 is 6672131.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3425 + ... + 3788.

It is an arithmetic number, because the mean of its divisors is an integer number (151494).

2^1312766 is an apocalyptic number.

1312766 is a deficient number, since it is larger than the sum of its proper divisors (1111138).

1312766 is a wasteful number, since it uses less digits than its factorization.

1312766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235.

The product of its digits is 1512, while the sum is 26.

The square root of 1312766 is about 1145.7600097752. The cubic root of 1312766 is about 109.4953745188.

Adding to 1312766 its reverse (6672131), we get a palindrome (7984897).

The spelling of 1312766 in words is "one million, three hundred twelve thousand, seven hundred sixty-six".