1316485 has 8 divisors (see below), whose sum is σ = 1587096. Its totient is φ = 1048320.

The previous prime is 1316479. The next prime is 1316507. The reversal of 1316485 is 5846131.

It can be written as a sum of positive squares in 4 ways, for example, as 23716 + 1292769 = 154^2 + 1137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1316485 - 2¹¹ = 1314437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (198387).

2^1316485 is an apocalyptic number.

1316485 is the 937-th pentagonal number.

It is an amenable number.

1316485 is a deficient number, since it is larger than the sum of its proper divisors (270611).

1316485 is an equidigital number, since it uses as much as digits as its factorization.

1316485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its digits is 2880, while the sum is 28.

The square root of 1316485 is about 1147.3818021914. The cubic root of 1316485 is about 109.5986753263.

The spelling of 1316485 in words is "one million, three hundred sixteen thousand, four hundred eighty-five".