13021235327 has 4 divisors (see below), whose sum is σ = 13027654920. Its totient is φ = 13014815736.

The previous prime is 13021235303. The next prime is 13021235329. The reversal of 13021235327 is 72353212031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72353212031 = 233 ⋅310528807.

It is a cyclic number.

It is not a de Polignac number, because 13021235327 - 2⁶ = 13021235263 is a prime.

It is a super-2 number, since 2×13021235327² (a number of 21 digits) contains 22 as substring.

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 13021235327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021235329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3206753 + ... + 3210810.

It is an arithmetic number, because the mean of its divisors is an integer number (3256913730).

Almost surely, 2^13021235327 is an apocalyptic number.

13021235327 is a deficient number, since it is larger than the sum of its proper divisors (6419593).

13021235327 is an equidigital number, since it uses as much as digits as its factorization.

13021235327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419592.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 13021235327 its reverse (72353212031), we get a palindrome (85374447358).

The spelling of 13021235327 in words is "thirteen billion, twenty-one million, two hundred thirty-five thousand, three hundred twenty-seven".