13252221513 has 96 divisors (see below), whose sum is σ = 21069123712. Its totient is φ = 8314099200.

The previous prime is 13252221487. The next prime is 13252221533. The reversal of 13252221513 is 31512225231.

13252221513 is a `hidden beast` number, since 132 + 522 + 2 + 1 + 5 + 1 + 3 = 666.

13252221513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13252221513 - 2⁹ = 13252221001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13252221533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40036758 + ... + 40037088.

Almost surely, 2^13252221513 is an apocalyptic number.

It is an amenable number.

13252221513 is a deficient number, since it is larger than the sum of its proper divisors (7816902199).

13252221513 is an equidigital number, since it uses as much as digits as its factorization.

13252221513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 505 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

Adding to 13252221513 its reverse (31512225231), we get a palindrome (44764446744).

The spelling of 13252221513 in words is "thirteen billion, two hundred fifty-two million, two hundred twenty-one thousand, five hundred thirteen".