13303027621 has 8 divisors (see below), whose sum is σ = 14352065784. Its totient is φ = 12257664960.

The previous prime is 13303027609. The next prime is 13303027637. The reversal of 13303027621 is 12672030331.

13303027621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1337730625 + 11965296996 = 36575^2 + 109386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13303027621 - 2⁵ = 13303027589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13303027621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13303027601) 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 7 ways as a sum of consecutive naturals, for example, 911350 + ... + 925831.

It is an arithmetic number, because the mean of its divisors is an integer number (1794008223).

Almost surely, 2^13303027621 is an apocalyptic number.

It is an amenable number.

13303027621 is a deficient number, since it is larger than the sum of its proper divisors (1049038163).

13303027621 is a wasteful number, since it uses less digits than its factorization.

13303027621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837751.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 13303027621 its reverse (12672030331), we get a palindrome (25975057952).

The spelling of 13303027621 in words is "thirteen billion, three hundred three million, twenty-seven thousand, six hundred twenty-one".