13132023021 has 32 divisors (see below), whose sum is σ = 21210080640. Its totient is φ = 8081227440.

The previous prime is 13132022951. The next prime is 13132023053. The reversal of 13132023021 is 12032023131.

It is not a de Polignac number, because 13132023021 - 2⁹ = 13132022509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13132022985 and 13132023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202515 + ... + 259376.

It is an arithmetic number, because the mean of its divisors is an integer number (662815020).

Almost surely, 2^13132023021 is an apocalyptic number.

It is an amenable number.

13132023021 is a deficient number, since it is larger than the sum of its proper divisors (8078057619).

13132023021 is an frugal number, since it uses more digits than its factorization.

13132023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461925 (or 461907 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13132023021 its reverse (12032023131), we get a palindrome (25164046152).

The spelling of 13132023021 in words is "thirteen billion, one hundred thirty-two million, twenty-three thousand, twenty-one".