1320010013 has 16 divisors (see below), whose sum is σ = 1520413440. Its totient is φ = 1122595200.

The previous prime is 1320009989. The next prime is 1320010019. The reversal of 1320010013 is 3100100231.

It is a cyclic number.

It is not a de Polignac number, because 1320010013 - 2⁶ = 1320009949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320009976 and 1320010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320010019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720008 + ... + 721838.

It is an arithmetic number, because the mean of its divisors is an integer number (95025840).

Almost surely, 2^1320010013 is an apocalyptic number.

It is an amenable number.

1320010013 is a deficient number, since it is larger than the sum of its proper divisors (200403427).

1320010013 is a wasteful number, since it uses less digits than its factorization.

1320010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1320010013 is about 36331.9420482858. The cubic root of 1320010013 is about 1096.9640841850.

Adding to 1320010013 its reverse (3100100231), we get a palindrome (4420110244).

The spelling of 1320010013 in words is "one billion, three hundred twenty million, ten thousand, thirteen".