1313827 has 2 divisors, whose sum is σ = 1313828. Its totient is φ = 1313826.

The previous prime is 1313813. The next prime is 1313839. The reversal of 1313827 is 7283131.

It is a strong prime.

It is an emirp because it is prime and its reverse (7283131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313827 - 2⁷ = 1313699 is a prime.

It is a super-2 number, since 2×1313827² = 3452282771858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1313857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656913 + 656914.

It is an arithmetic number, because the mean of its divisors is an integer number (656914).

2^1313827 is an apocalyptic number.

1313827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313827 is an equidigital number, since it uses as much as digits as its factorization.

1313827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 1313827 is about 1146.2229277065. Note that the first 3 decimals coincide. The cubic root of 1313827 is about 109.5248652552.

Adding to 1313827 its reverse (7283131), we get a palindrome (8596958).

The spelling of 1313827 in words is "one million, three hundred thirteen thousand, eight hundred twenty-seven".