1206313 has 4 divisors (see below), whose sum is σ = 1247940. Its totient is φ = 1164688.

The previous prime is 1206307. The next prime is 1206319. The reversal of 1206313 is 3136021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3136021 = 7 ⋅448003.

It is an interprime number because it is at equal distance from previous prime (1206307) and next prime (1206319).

It can be written as a sum of positive squares in 2 ways, for example, as 514089 + 692224 = 717^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206313 - 2¹⁷ = 1075241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206319) 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, 20770 + ... + 20827.

It is an arithmetic number, because the mean of its divisors is an integer number (311985).

2^1206313 is an apocalyptic number.

It is an amenable number.

1206313 is a deficient number, since it is larger than the sum of its proper divisors (41627).

1206313 is an equidigital number, since it uses as much as digits as its factorization.

1206313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41626.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1206313 is about 1098.3228122915. The cubic root of 1206313 is about 106.4518800738.

The spelling of 1206313 in words is "one million, two hundred six thousand, three hundred thirteen".