1520060013 has 12 divisors (see below), whose sum is σ = 2276962688. Its totient is φ = 1013373180.

The previous prime is 1520059997. The next prime is 1520060053. The reversal of 1520060013 is 3100600251.

1520060013 is a `hidden beast` number, since 1 + 52 + 0 + 0 + 600 + 13 = 666.

It is not a de Polignac number, because 1520060013 - 2⁴ = 1520059997 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 (1520060053) 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, 3127453 + ... + 3127938.

Almost surely, 2^1520060013 is an apocalyptic number.

It is an amenable number.

1520060013 is a deficient number, since it is larger than the sum of its proper divisors (756902675).

1520060013 is an frugal number, since it uses more digits than its factorization.

1520060013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255406 (or 6255394 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1520060013 is about 38987.9470221247. The cubic root of 1520060013 is about 1149.7945475442.

Adding to 1520060013 its reverse (3100600251), we get a palindrome (4620660264).

The spelling of 1520060013 in words is "one billion, five hundred twenty million, sixty thousand, thirteen".