12455032013 has 4 divisors (see below), whose sum is σ = 12996555168. Its totient is φ = 11913508860.

The previous prime is 12455031989. The next prime is 12455032063. The reversal of 12455032013 is 31023055421.

It is a happy number.

12455032013 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, and also an emirpimes, since its reverse is a distinct semiprime: 31023055421 = 17 ⋅1824885613.

It is a cyclic number.

It is not a de Polignac number, because 12455032013 - 2⁶ = 12455031949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455032063) 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, 270761543 + ... + 270761588.

It is an arithmetic number, because the mean of its divisors is an integer number (3249138792).

Almost surely, 2^12455032013 is an apocalyptic number.

It is an amenable number.

12455032013 is a deficient number, since it is larger than the sum of its proper divisors (541523155).

12455032013 is an equidigital number, since it uses as much as digits as its factorization.

12455032013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541523154.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12455032013 its reverse (31023055421), we get a palindrome (43478087434).

The spelling of 12455032013 in words is "twelve billion, four hundred fifty-five million, thirty-two thousand, thirteen".