1365013 has 12 divisors (see below), whose sum is σ = 1521828. Its totient is φ = 1223040.

The previous prime is 1365011. The next prime is 1365019. The reversal of 1365013 is 3105631.

It can be written as a sum of positive squares in 6 ways, for example, as 161604 + 1203409 = 402^2 + 1097^2 .

It is not a de Polignac number, because 1365013 - 2¹ = 1365011 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 (1365011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6831 + ... + 7027.

It is an arithmetic number, because the mean of its divisors is an integer number (126819).

2^1365013 is an apocalyptic number.

1365013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1365013 is a deficient number, since it is larger than the sum of its proper divisors (156815).

1365013 is a wasteful number, since it uses less digits than its factorization.

1365013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1365013 is about 1168.3377080279. The cubic root of 1365013 is about 110.9291271734.

The spelling of 1365013 in words is "one million, three hundred sixty-five thousand, thirteen".