1316493 has 10 divisors (see below), whose sum is σ = 1966734. Its totient is φ = 877608.

The previous prime is 1316479. The next prime is 1316507. The reversal of 1316493 is 3946131.

1316493 is a `hidden beast` number, since 13 + 1 + 649 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1316479) and next prime (1316507).

It can be written as a sum of positive squares in only one way, i.e., 1205604 + 110889 = 1098^2 + 333^2 .

It is not a de Polignac number, because 1316493 - 2¹² = 1312397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316593) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8046 + ... + 8207.

2^1316493 is an apocalyptic number.

It is an amenable number.

1316493 is a deficient number, since it is larger than the sum of its proper divisors (650241).

1316493 is an equidigital number, since it uses as much as digits as its factorization.

1316493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16265 (or 16256 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1316493 is about 1147.3852883840. The cubic root of 1316493 is about 109.5988973285.

The spelling of 1316493 in words is "one million, three hundred sixteen thousand, four hundred ninety-three".