1313061 has 4 divisors (see below), whose sum is σ = 1750752. Its totient is φ = 875372.

The previous prime is 1313057. The next prime is 1313069. The reversal of 1313061 is 1603131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313061 - 2² = 1313057 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313069) 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 in 3 ways as a sum of consecutive naturals, for example, 218841 + ... + 218846.

It is an arithmetic number, because the mean of its divisors is an integer number (437688).

2^1313061 is an apocalyptic number.

It is an amenable number.

1313061 is a deficient number, since it is larger than the sum of its proper divisors (437691).

1313061 is an equidigital number, since it uses as much as digits as its factorization.

1313061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437690.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1313061 is about 1145.8887380544. Note that the first 3 decimals coincide. The cubic root of 1313061 is about 109.5035757053.

Adding to 1313061 its reverse (1603131), we get a palindrome (2916192).

The spelling of 1313061 in words is "one million, three hundred thirteen thousand, sixty-one".