13012335553 has 4 divisors (see below), whose sum is σ = 14871240640. Its totient is φ = 11153430468.

The previous prime is 13012335499. The next prime is 13012335577. The reversal of 13012335553 is 35553321031.

13012335553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13012335553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012335053) 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 3 ways as a sum of consecutive naturals, for example, 929452533 + ... + 929452546.

It is an arithmetic number, because the mean of its divisors is an integer number (3717810160).

Almost surely, 2^13012335553 is an apocalyptic number.

It is an amenable number.

13012335553 is a deficient number, since it is larger than the sum of its proper divisors (1858905087).

13012335553 is an equidigital number, since it uses as much as digits as its factorization.

13012335553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858905086.

The product of its (nonzero) digits is 20250, while the sum is 31.

Adding to 13012335553 its reverse (35553321031), we get a palindrome (48565656584).

The spelling of 13012335553 in words is "thirteen billion, twelve million, three hundred thirty-five thousand, five hundred fifty-three".