1208313 has 6 divisors (see below), whose sum is σ = 1745354. Its totient is φ = 805536.

The previous prime is 1208303. The next prime is 1208341. The reversal of 1208313 is 3138021.

It can be written as a sum of positive squares in only one way, i.e., 685584 + 522729 = 828^2 + 723^2 .

It is not a de Polignac number, because 1208313 - 2⁴ = 1208297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1208303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67120 + ... + 67137.

2^1208313 is an apocalyptic number.

It is an amenable number.

1208313 is a deficient number, since it is larger than the sum of its proper divisors (537041).

1208313 is a wasteful number, since it uses less digits than its factorization.

1208313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134263 (or 134260 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1208313 is about 1099.2329143544. The cubic root of 1208313 is about 106.5106780274.

It can be divided in two parts, 1208 and 313, that added together give a square (1521 = 39²).

The spelling of 1208313 in words is "one million, two hundred eight thousand, three hundred thirteen".