1320013015 has 8 divisors (see below), whose sum is σ = 1635113088. Its totient is φ = 1021945440.

The previous prime is 1320013007. The next prime is 1320013027. The reversal of 1320013015 is 5103100231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320013015 - 2³ = 1320013007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320013015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4257952 + ... + 4258261.

It is an arithmetic number, because the mean of its divisors is an integer number (204389136).

Almost surely, 2^1320013015 is an apocalyptic number.

1320013015 is a deficient number, since it is larger than the sum of its proper divisors (315100073).

1320013015 is an equidigital number, since it uses as much as digits as its factorization.

1320013015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516249.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1320013015 is about 36331.9833617709. The cubic root of 1320013015 is about 1096.9649157654.

Adding to 1320013015 its reverse (5103100231), we get a palindrome (6423113246).

The spelling of 1320013015 in words is "one billion, three hundred twenty million, thirteen thousand, fifteen".