1316653 has 4 divisors (see below), whose sum is σ = 1417948. Its totient is φ = 1215360.

The previous prime is 1316647. The next prime is 1316657. The reversal of 1316653 is 3566131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91204 + 1225449 = 302^2 + 1107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316653 - 2⁵ = 1316621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50628 + ... + 50653.

It is an arithmetic number, because the mean of its divisors is an integer number (354487).

2^1316653 is an apocalyptic number.

1316653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1316653 is a deficient number, since it is larger than the sum of its proper divisors (101295).

1316653 is a wasteful number, since it uses less digits than its factorization.

1316653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101294.

The product of its digits is 1620, while the sum is 25.

The square root of 1316653 is about 1147.4550100113. The cubic root of 1316653 is about 109.6033371833.

The spelling of 1316653 in words is "one million, three hundred sixteen thousand, six hundred fifty-three".