13300024021 has 4 divisors (see below), whose sum is σ = 13422042700. Its totient is φ = 13178005344.

The previous prime is 13300024019. The next prime is 13300024027. The reversal of 13300024021 is 12042000331.

It is a happy number.

13300024021 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 an emirpimes, since its reverse is a distinct semiprime: 12042000331 = 47 ⋅256212773.

It can be written as a sum of positive squares in 2 ways, for example, as 7346204100 + 5953819921 = 85710^2 + 77161^2 .

It is a cyclic number.

It is not a de Polignac number, because 13300024021 - 2¹ = 13300024019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13300023986 and 13300024004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13300024027) 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, 61009176 + ... + 61009393.

It is an arithmetic number, because the mean of its divisors is an integer number (3355510675).

Almost surely, 2^13300024021 is an apocalyptic number.

It is an amenable number.

13300024021 is a deficient number, since it is larger than the sum of its proper divisors (122018679).

13300024021 is a wasteful number, since it uses less digits than its factorization.

13300024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122018678.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13300024021 its reverse (12042000331), we get a palindrome (25342024352).

The spelling of 13300024021 in words is "thirteen billion, three hundred million, twenty-four thousand, twenty-one".