1306013 has 4 divisors (see below), whose sum is σ = 1309308. Its totient is φ = 1302720.

The previous prime is 1306007. The next prime is 1306027. The reversal of 1306013 is 3106031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3106031 = 113 ⋅27487.

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 840889 = 682^2 + 917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306013 - 2¹⁸ = 1043869 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 (1306033) 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, 956 + ... + 1877.

It is an arithmetic number, because the mean of its divisors is an integer number (327327).

2^1306013 is an apocalyptic number.

It is an amenable number.

1306013 is a deficient number, since it is larger than the sum of its proper divisors (3295).

1306013 is an equidigital number, since it uses as much as digits as its factorization.

1306013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1306013 is about 1142.8092579254. The cubic root of 1306013 is about 109.3072999273.

The spelling of 1306013 in words is "one million, three hundred six thousand, thirteen".